<?xml version="1.0" encoding="US-ASCII"?>  
<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->    
<!-- Created: Wed Dec 18 14:16:51 UTC 2024 -->  
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">    
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#RiskReturn" roleURI="http://xbrl.sec.gov/rr/role/RiskReturn"/>    
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#PerformanceManagement" roleURI="http://xbrl.sec.gov/rr/role/PerformanceManagement"/> 
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#InvestmentStrategy" roleURI="http://xbrl.sec.gov/rr/role/InvestmentStrategy"/>     
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#FeesAndExpenses" roleURI="http://xbrl.sec.gov/rr/role/FeesAndExpenses"/>    
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#InvestmentRisks" roleURI="http://xbrl.sec.gov/rr/role/InvestmentRisks"/>    
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#ShareholderFeesData" roleURI="http://xbrl.sec.gov/rr/role/ShareholderFeesData"/>  
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#OperatingExpensesData" roleURI="http://xbrl.sec.gov/rr/role/OperatingExpensesData"/> 
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#ExpenseExample" roleURI="http://xbrl.sec.gov/rr/role/ExpenseExample"/>  
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#ExpenseExampleNoRedemption" roleURI="http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption"/> 
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#BarChartData" roleURI="http://xbrl.sec.gov/rr/role/BarChartData"/>   
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#PerformanceTableData" roleURI="http://xbrl.sec.gov/rr/role/PerformanceTableData"/>    
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabHighYieldBondETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabHighYieldBondETF"/>  
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabHighYieldBondETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabHighYieldBondETF"/>     
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabInternationalDividendEquityETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabInternationalDividendEquityETF"/>     
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabInternationalDividendEquityETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabInternationalDividendEquityETF"/>   
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabInternationalEquityETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabInternationalEquityETF"/>    
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabInternationalEquityETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabInternationalEquityETF"/>  
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabInternationalSmallCapEquityETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabInternationalSmallCapEquityETF"/>     
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabInternationalSmallCapEquityETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabInternationalSmallCapEquityETF"/>   
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabEmergingMarketsEquityETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabEmergingMarketsEquityETF"/>   
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabEmergingMarketsEquityETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabEmergingMarketsEquityETF"/> 
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabUSBroadMarketETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSBroadMarketETF"/>  
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabUSBroadMarketETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSBroadMarketETF"/>     
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwab1000IndexETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwab1000IndexETF"/>    
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwab1000IndexETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwab1000IndexETF"/>  
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapETF"/> 
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapETF"/>    
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapGrowthETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapGrowthETF"/>   
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapGrowthETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapGrowthETF"/> 
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapValueETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapValueETF"/> 
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapValueETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapValueETF"/>    
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabUSMidCapETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSMidCapETF"/>  
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabUSMidCapETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSMidCapETF"/>     
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabUSSmallCapETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSSmallCapETF"/> 
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabUSSmallCapETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSSmallCapETF"/>    
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DocumentRiskReturnSummaryUnlabeledSchwabUSDividendEquityETF" roleURI="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSDividendEquityETF"/>   
  <roleRef xlink:type="simple" xlink:href="ck0001454889-20240831.xsd#DisclosureRiskReturnDetailDataElementsSchwabUSDividendEquityETF" roleURI="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSDividendEquityETF"/> 
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/RiskReturn" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/PerformanceManagement" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/InvestmentStrategy" xlink:type="extended">   
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/FeesAndExpenses" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/InvestmentRisks" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="us-gaap_InterestRateRiskMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestRateRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="us-gaap_InterestRateRiskMember" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="us-gaap_CreditRiskMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="us-gaap_CreditRiskMember" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="HighYieldRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_HighYieldRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="HighYieldRiskMember" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="SamplingIndexTrackingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SamplingIndexTrackingRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SamplingIndexTrackingRiskMember" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="NonUSIssuerRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_NonUSIssuerRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="NonUSIssuerRiskMember" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="PrivatelyIssuedSecuritiesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_PrivatelyIssuedSecuritiesRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="PrivatelyIssuedSecuritiesRiskMember" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="PortfolioTurnoverRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_PortfolioTurnoverRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="PortfolioTurnoverRiskMember" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="PrepaymentAndExtensionRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_PrepaymentAndExtensionRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="PrepaymentAndExtensionRiskMember" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="24.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="25.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="26.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="27.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="28.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="29.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="30.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="MidCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MidCapCompanyRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MidCapCompanyRiskMember" order="31.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="SmallCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SmallCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SmallCapCompanyRiskMember" order="32.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ForeignInvestmentRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ForeignInvestmentRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ForeignInvestmentRiskMember" order="33.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EmergingMarketsRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EmergingMarketsRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EmergingMarketsRiskMember" order="34.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="GrowthInvestingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_GrowthInvestingRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="GrowthInvestingRiskMember" order="35.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ValueInvestingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ValueInvestingRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ValueInvestingRiskMember" order="36.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/ShareholderFeesData" xlink:type="extended">    
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <loc xlink:type="locator" xlink:label="C000241773Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000241773Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000241773Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000225985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000225985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000225985Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079984Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079984Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079984Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079985Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079986Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079986Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079986Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079978Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079978Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079978Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000193734Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000193734Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000193734Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079979Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079979Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079979Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079980Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079980Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079980Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079981Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079981Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079981Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079982Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079982Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079982Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079983Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079983Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079983Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000105320Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000105320Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000105320Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/OperatingExpensesData" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <loc xlink:type="locator" xlink:label="C000241773Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000241773Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000241773Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000225985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000225985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000225985Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079984Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079984Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079984Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079985Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079986Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079986Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079986Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079978Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079978Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079978Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000193734Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000193734Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000193734Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079979Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079979Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079979Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079980Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079980Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079980Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079981Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079981Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079981Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079982Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079982Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079982Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079983Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079983Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079983Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000105320Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000105320Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000105320Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/ExpenseExample" xlink:type="extended">    
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <loc xlink:type="locator" xlink:label="C000241773Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000241773Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000241773Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000225985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000225985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000225985Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079984Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079984Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079984Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079985Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079986Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079986Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079986Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079978Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079978Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079978Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000193734Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000193734Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000193734Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079979Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079979Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079979Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079980Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079980Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079980Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079981Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079981Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079981Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079982Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079982Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079982Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079983Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079983Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079983Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000105320Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000105320Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000105320Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <loc xlink:type="locator" xlink:label="C000241773Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000241773Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000241773Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000225985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000225985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000225985Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079984Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079984Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079984Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079985Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079986Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079986Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079986Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079978Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079978Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079978Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000193734Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000193734Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000193734Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079979Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079979Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079979Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079980Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079980Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079980Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079981Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079981Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079981Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079982Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079982Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079982Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079983Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079983Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079983Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000105320Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000105320Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000105320Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/BarChartData" xlink:type="extended">  
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <loc xlink:type="locator" xlink:label="C000241773Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000241773Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000241773Member" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000225985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000225985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000225985Member" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079984Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079984Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079984Member" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079985Member" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079986Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079986Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079986Member" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079978Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079978Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079978Member" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000193734Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000193734Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000193734Member" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079979Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079979Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079979Member" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079980Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079980Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079980Member" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079981Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079981Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079981Member" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079982Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079982Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079982Member" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079983Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079983Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079983Member" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000105320Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000105320Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000105320Member" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://xbrl.sec.gov/rr/role/PerformanceTableData" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <loc xlink:type="locator" xlink:label="C000241773Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000241773Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000241773Member" order="-12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="C000225985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000225985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000225985Member" order="-11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="C000079984Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079984Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079984Member" order="-10.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="C000079985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079985Member" order="-9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079986Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079986Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079986Member" order="-8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079978Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079978Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079978Member" order="-7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000193734Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000193734Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000193734Member" order="-6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079979Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079979Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079979Member" order="-5.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079980Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079980Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079980Member" order="-4.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079981Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079981Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079981Member" order="-3.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079982Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079982Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079982Member" order="-2.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000079983Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079983Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079983Member" order="-1.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="C000105320Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000105320Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000105320Member" order="0.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <loc xlink:type="locator" xlink:label="index_MSCI_EAFE_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_MSCI_EAFE_Index_NetMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_MSCI_EAFE_Index_NetMember" order="11.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_International_Dividend_100_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_International_Dividend_100_Index_NetMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_International_Dividend_100_Index_NetMember" order="12.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="index_FTSE_Developed_ex_US_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_FTSE_Developed_ex_US_Index_NetMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_FTSE_Developed_ex_US_Index_NetMember" order="13.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="index_FTSE_Developed_Small_Cap_ex_US_Liquid_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_FTSE_Developed_Small_Cap_ex_US_Liquid_Index_NetMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_FTSE_Developed_Small_Cap_ex_US_Liquid_Index_NetMember" order="14.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="index_MSCI_Emerging_Markets_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_MSCI_Emerging_Markets_Index_NetMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_MSCI_Emerging_Markets_Index_NetMember" order="15.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="index_FTSE_Emerging_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_FTSE_Emerging_Index_NetMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_FTSE_Emerging_Index_NetMember" order="16.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_Broad_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_Broad_Stock_Market_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_Broad_Stock_Market_IndexMember" order="17.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="index_Russell_1000_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Russell_1000_IndexMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Russell_1000_IndexMember" order="18.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="index_Schwab_1000_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Schwab_1000_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Schwab_1000_IndexMember" order="19.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="index_SP_500_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_SP_500_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_SP_500_IndexMember" order="20.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_LargeCap_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_LargeCap_Total_Stock_Market_IndexMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_LargeCap_Total_Stock_Market_IndexMember" order="21.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_LargeCap_Growth_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_LargeCap_Growth_Total_Stock_Market_IndexMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_LargeCap_Growth_Total_Stock_Market_IndexMember" order="22.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_LargeCap_Value_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_LargeCap_Value_Total_Stock_Market_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_LargeCap_Value_Total_Stock_Market_IndexMember" order="23.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_MidCap_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_MidCap_Total_Stock_Market_IndexMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_MidCap_Total_Stock_Market_IndexMember" order="24.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_SmallCap_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_SmallCap_Total_Stock_Market_IndexMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_SmallCap_Total_Stock_Market_IndexMember" order="25.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_Dividend_100_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_Dividend_100_IndexMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_Dividend_100_IndexMember" order="26.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabHighYieldBondETF" xlink:type="extended">    
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabHighYieldBondETF" xlink:type="extended">   
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000080101Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000080101Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000080101Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000241773Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000241773Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000241773Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="us-gaap_InterestRateRiskMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestRateRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="us-gaap_InterestRateRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="us-gaap_CreditRiskMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="us-gaap_CreditRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="HighYieldRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_HighYieldRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="HighYieldRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SamplingIndexTrackingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SamplingIndexTrackingRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SamplingIndexTrackingRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="NonUSIssuerRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_NonUSIssuerRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="NonUSIssuerRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="PrivatelyIssuedSecuritiesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_PrivatelyIssuedSecuritiesRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="PrivatelyIssuedSecuritiesRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="PortfolioTurnoverRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_PortfolioTurnoverRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="PortfolioTurnoverRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="PrepaymentAndExtensionRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_PrepaymentAndExtensionRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="PrepaymentAndExtensionRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabInternationalDividendEquityETF" xlink:type="extended">   
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabInternationalDividendEquityETF" xlink:type="extended">  
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000071197Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000071197Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000071197Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000225985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000225985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000225985Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_International_Dividend_100_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_International_Dividend_100_Index_NetMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_International_Dividend_100_Index_NetMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="index_MSCI_EAFE_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_MSCI_EAFE_Index_NetMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_MSCI_EAFE_Index_NetMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="MidCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MidCapCompanyRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MidCapCompanyRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="SmallCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SmallCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SmallCapCompanyRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="ForeignInvestmentRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ForeignInvestmentRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ForeignInvestmentRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="EmergingMarketsRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EmergingMarketsRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EmergingMarketsRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="SamplingIndexTrackingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SamplingIndexTrackingRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SamplingIndexTrackingRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="18" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabInternationalEquityETF" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabInternationalEquityETF" xlink:type="extended">    
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026637Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026637Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026637Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079984Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079984Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079984Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_FTSE_Developed_ex_US_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_FTSE_Developed_ex_US_Index_NetMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_FTSE_Developed_ex_US_Index_NetMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="index_MSCI_EAFE_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_MSCI_EAFE_Index_NetMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_MSCI_EAFE_Index_NetMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="MidCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MidCapCompanyRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MidCapCompanyRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ForeignInvestmentRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ForeignInvestmentRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ForeignInvestmentRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="SamplingIndexTrackingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SamplingIndexTrackingRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SamplingIndexTrackingRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabInternationalSmallCapEquityETF" xlink:type="extended">   
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabInternationalSmallCapEquityETF" xlink:type="extended">  
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026638Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026638Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026638Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079985Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079985Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079985Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_FTSE_Developed_Small_Cap_ex_US_Liquid_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_FTSE_Developed_Small_Cap_ex_US_Liquid_Index_NetMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_FTSE_Developed_Small_Cap_ex_US_Liquid_Index_NetMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="index_MSCI_EAFE_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_MSCI_EAFE_Index_NetMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_MSCI_EAFE_Index_NetMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SmallCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SmallCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SmallCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="ForeignInvestmentRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ForeignInvestmentRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ForeignInvestmentRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="SamplingIndexTrackingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SamplingIndexTrackingRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SamplingIndexTrackingRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabEmergingMarketsEquityETF" xlink:type="extended">  
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabEmergingMarketsEquityETF" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026639Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026639Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026639Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079986Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079986Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079986Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_FTSE_Emerging_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_FTSE_Emerging_Index_NetMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_FTSE_Emerging_Index_NetMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="index_MSCI_Emerging_Markets_Index_NetMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_MSCI_Emerging_Markets_Index_NetMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_MSCI_Emerging_Markets_Index_NetMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="MidCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MidCapCompanyRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MidCapCompanyRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ForeignInvestmentRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ForeignInvestmentRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ForeignInvestmentRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="EmergingMarketsRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EmergingMarketsRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EmergingMarketsRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SamplingIndexTrackingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SamplingIndexTrackingRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SamplingIndexTrackingRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="17" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSBroadMarketETF" xlink:type="extended">    
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSBroadMarketETF" xlink:type="extended">   
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026631Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026631Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026631Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079978Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079978Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079978Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_Broad_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_Broad_Stock_Market_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_Broad_Stock_Market_IndexMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="MidCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MidCapCompanyRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MidCapCompanyRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="SmallCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SmallCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SmallCapCompanyRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SamplingIndexTrackingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SamplingIndexTrackingRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SamplingIndexTrackingRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="16" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
<!-- [WMV6][XcpuxYn59dz7vgYynUDuwG7r97K2jUTysl7vcz0lJt+RMWF/8mwKgXndJJ1SJyvmgKvxuLfGxyby5utv0/4ioUs4d9b0lih/rJtiFMBhcdcffGKhVVF0wzJB7PH5z68Rvp4Mxnmm1ilg6EPRENte3Q4iYL8O6lqmaGhq7+SjCZu4z8Vz3sgwYbvgCiHOQvq4kPmKWvRQj89F8W59flI8s13UriwvAsAZyOTo4K1+tSTR1yubdguMucODAl31QbVdkk6bB5pw9ToWJELn6uVE0Wxy17dXNZVaOPqcdIM8EfM=] CSR--> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwab1000IndexETF" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwab1000IndexETF" xlink:type="extended">    
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000059091Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000059091Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000059091Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000193734Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000193734Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000193734Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Russell_1000_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Russell_1000_IndexMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Russell_1000_IndexMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="index_Schwab_1000_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Schwab_1000_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Schwab_1000_IndexMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="MidCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MidCapCompanyRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MidCapCompanyRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapETF" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapETF" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026632Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026632Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026632Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079979Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079979Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079979Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_LargeCap_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_LargeCap_Total_Stock_Market_IndexMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_LargeCap_Total_Stock_Market_IndexMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="index_SP_500_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_SP_500_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_SP_500_IndexMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskNondiversifiedStatusMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskNondiversifiedStatusMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskNondiversifiedStatusMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="2"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapGrowthETF" xlink:type="extended">  
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapGrowthETF" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026633Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026633Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026633Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079980Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079980Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079980Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_LargeCap_Growth_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_LargeCap_Growth_Total_Stock_Market_IndexMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_LargeCap_Growth_Total_Stock_Market_IndexMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="index_SP_500_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_SP_500_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_SP_500_IndexMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskNondiversifiedStatusMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskNondiversifiedStatusMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskNondiversifiedStatusMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="2"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="GrowthInvestingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_GrowthInvestingRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="GrowthInvestingRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSLargeCapValueETF" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSLargeCapValueETF" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026634Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026634Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026634Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079981Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079981Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079981Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_LargeCap_Value_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_LargeCap_Value_Total_Stock_Market_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_LargeCap_Value_Total_Stock_Market_IndexMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="index_SP_500_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_SP_500_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_SP_500_IndexMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="ValueInvestingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ValueInvestingRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ValueInvestingRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSMidCapETF" xlink:type="extended">    
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSMidCapETF" xlink:type="extended">   
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026635Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026635Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026635Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079982Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079982Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079982Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_MidCap_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_MidCap_Total_Stock_Market_IndexMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_MidCap_Total_Stock_Market_IndexMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="index_SP_500_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_SP_500_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_SP_500_IndexMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="MidCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MidCapCompanyRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MidCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSSmallCapETF" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSSmallCapETF" xlink:type="extended">     
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000026636Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000026636Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000026636Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000079983Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000079983Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000079983Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_SmallCap_Total_Stock_Market_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_SmallCap_Total_Stock_Market_IndexMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_SmallCap_Total_Stock_Market_IndexMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="index_SP_500_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_SP_500_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_SP_500_IndexMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SmallCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SmallCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SmallCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SamplingIndexTrackingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SamplingIndexTrackingRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SamplingIndexTrackingRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DocumentRiskReturnSummaryUnlabeledSchwabUSDividendEquityETF" xlink:type="extended">  
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="0"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="1"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="2"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="3"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="4"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="5"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesTableTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesTableTextBlock" order="6"/>    
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="7"/>    
    <loc xlink:type="locator" xlink:label="oef_AnnualFundOperatingExpensesTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualFundOperatingExpensesTableTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualFundOperatingExpensesTableTextBlock" order="8"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="9"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="10"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="11"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="12"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="13"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleWithRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleWithRedemptionTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleWithRedemptionTableTextBlock" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="15"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="16"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionTableTextBlock" order="17"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="19"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="21"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="22"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="23"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="24"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="25"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="26"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="27"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartTableTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartTableTextBlock" order="28"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="29"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="30"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="32"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="33"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableTextBlock" order="34"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="35"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="36"/>   
  </presentationLink>  
  <presentationLink xlink:role="http://www.schwab.com/20240831/role/DisclosureRiskReturnDetailDataElementsSchwabUSDividendEquityETF" xlink:type="extended"> 
    <loc xlink:type="locator" xlink:label="oef_FormN1aAbstract" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FormN1aAbstract"/>  
    <loc xlink:type="locator" xlink:label="oef_ProspectusTable" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusTable"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_FormN1aAbstract" xlink:to="oef_ProspectusTable" order="0"/> 
    <loc xlink:type="locator" xlink:label="dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="dei_LegalEntityAxis" order="0"/> 
    <loc xlink:type="locator" xlink:label="S000034163Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_S000034163Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="S000034163Member" order="0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1"/>   
    <loc xlink:type="locator" xlink:label="oef_ClassAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ClassAxis"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ClassAxis" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareClassDomain"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="oef_ShareClassDomain" order="0"/> 
    <loc xlink:type="locator" xlink:label="C000105320Member" xlink:href="ck0001454889-20240831.xsd#ck0001454889_C000105320Member"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ClassAxis" xlink:to="C000105320Member" order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureAxis"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_PerformanceMeasureAxis" order="3"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceMeasureDomain"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_PerformanceMeasureDomain" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsMember" order="1"/>    
    <loc xlink:type="locator" xlink:label="oef_AfterTaxesOnDistributionsAndSalesMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AfterTaxesOnDistributionsAndSalesMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="oef_AfterTaxesOnDistributionsAndSalesMember" order="2"/>  
    <loc xlink:type="locator" xlink:label="index_Dow_Jones_US_Dividend_100_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_Dow_Jones_US_Dividend_100_IndexMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_Dow_Jones_US_Dividend_100_IndexMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="index_SP_500_IndexMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_index_SP_500_IndexMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_PerformanceMeasureAxis" xlink:to="index_SP_500_IndexMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskAxis" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskAxis"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_RiskAxis" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AllRisksMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_AllRisksMember" order="0"/>   
    <loc xlink:type="locator" xlink:label="oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskLoseMoneyMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="oef_RiskLoseMoneyMember" order="1"/>   
    <loc xlink:type="locator" xlink:label="MarketRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketRiskMember" order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="EquityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_EquityRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="EquityRiskMember" order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>    
    <loc xlink:type="locator" xlink:label="InvestmentStyleRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_InvestmentStyleRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="InvestmentStyleRiskMember" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="MarketCapitalizationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketCapitalizationRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketCapitalizationRiskMember" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="LargeCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LargeCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LargeCapCompanyRiskMember" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="MidCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MidCapCompanyRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MidCapCompanyRiskMember" order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="SmallCapCompanyRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SmallCapCompanyRiskMember"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SmallCapCompanyRiskMember" order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="TrackingErrorAndCorrelationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_TrackingErrorAndCorrelationRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="TrackingErrorAndCorrelationRiskMember" order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="DerivativesRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_DerivativesRiskMember"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="DerivativesRiskMember" order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>     
    <loc xlink:type="locator" xlink:label="LiquidityRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_LiquidityRiskMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="LiquidityRiskMember" order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="SecuritiesLendingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SecuritiesLendingRiskMember"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SecuritiesLendingRiskMember" order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/> 
    <loc xlink:type="locator" xlink:label="ConcentrationRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_ConcentrationRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="ConcentrationRiskMember" order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="MarketTradingRiskMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_MarketTradingRiskMember"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="MarketTradingRiskMember" order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>  
    <loc xlink:type="locator" xlink:label="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001454889-20240831.xsd#ck0001454889_SharesOfTheFundMayTradeAtPricesOtherThanNAVMember"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_RiskAxis" xlink:to="SharesOfTheFundMayTradeAtPricesOtherThanNAVMember" order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>   
    <loc xlink:type="locator" xlink:label="oef_ProspectusLineItems" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ProspectusLineItems"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusTable" xlink:to="oef_ProspectusLineItems" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_RiskReturnHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskReturnHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskReturnHeading" order="0"/>  
    <loc xlink:type="locator" xlink:label="oef_ObjectiveHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveHeading" order="1"/> 
    <loc xlink:type="locator" xlink:label="oef_ObjectivePrimaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectivePrimaryTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectivePrimaryTextBlock" order="2"/>     
    <loc xlink:type="locator" xlink:label="oef_ObjectiveSecondaryTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ObjectiveSecondaryTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ObjectiveSecondaryTextBlock" order="3"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseHeading" order="4"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpenseNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseNarrativeTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseNarrativeTextBlock" order="5"/>     
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesCaption" order="6"/>  
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeesColumnName"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeesColumnName" order="7"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOfferingPrice"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOfferingPrice" order="8"/>     
    <loc xlink:type="locator" xlink:label="oef_MaximumCumulativeSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumCumulativeSalesChargeOverOther"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumCumulativeSalesChargeOverOther" order="9"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice" order="10"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOfferingPrice" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOfferingPrice"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOfferingPrice" order="11"/>    
    <loc xlink:type="locator" xlink:label="oef_MaximumDeferredSalesChargeOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumDeferredSalesChargeOverOther"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumDeferredSalesChargeOverOther" order="12"/> 
    <loc xlink:type="locator" xlink:label="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther" order="13"/>     
    <loc xlink:type="locator" xlink:label="oef_RedemptionFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFeeOverRedemption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFeeOverRedemption" order="14"/>   
    <loc xlink:type="locator" xlink:label="oef_RedemptionFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RedemptionFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RedemptionFee" order="15"/>    
    <loc xlink:type="locator" xlink:label="oef_ExchangeFeeOverRedemption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFeeOverRedemption"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFeeOverRedemption" order="16"/> 
    <loc xlink:type="locator" xlink:label="oef_ExchangeFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExchangeFee"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExchangeFee" order="17"/>  
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFeeOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFeeOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFeeOverAssets" order="18"/>   
    <loc xlink:type="locator" xlink:label="oef_MaximumAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MaximumAccountFee"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MaximumAccountFee" order="19"/>   
    <loc xlink:type="locator" xlink:label="oef_ShareholderFeeOther" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ShareholderFeeOther"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ShareholderFeeOther" order="20"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesCaption" order="21"/>     
    <loc xlink:type="locator" xlink:label="oef_OperatingExpensesColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OperatingExpensesColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OperatingExpensesColumnName" order="22"/>   
    <loc xlink:type="locator" xlink:label="oef_ManagementFeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ManagementFeesOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ManagementFeesOverAssets" order="23"/>     
    <loc xlink:type="locator" xlink:label="oef_DistributionAndService12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionAndService12b1FeesOverAssets"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionAndService12b1FeesOverAssets" order="24"/> 
    <loc xlink:type="locator" xlink:label="oef_DistributionOrSimilarNon12b1FeesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_DistributionOrSimilarNon12b1FeesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_DistributionOrSimilarNon12b1FeesOverAssets" order="25"/>   
    <loc xlink:type="locator" xlink:label="oef_Component1OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component1OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component1OtherExpensesOverAssets" order="26"/>    
    <loc xlink:type="locator" xlink:label="oef_Component2OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component2OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component2OtherExpensesOverAssets" order="27"/>    
    <loc xlink:type="locator" xlink:label="oef_Component3OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_Component3OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_Component3OtherExpensesOverAssets" order="28"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesOverAssets" order="29"/>    
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesOverAssets"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesOverAssets" order="30"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOverAssets"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOverAssets" order="31"/>    
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssets"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssets" order="32"/>     
    <loc xlink:type="locator" xlink:label="oef_NetExpensesOverAssets" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_NetExpensesOverAssets"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_NetExpensesOverAssets" order="33"/>  
    <loc xlink:type="locator" xlink:label="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination" order="34"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseFootnotesTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseFootnotesTextBlock" order="35"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpensesDeferredChargesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesDeferredChargesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesDeferredChargesTextBlock" order="36"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRangeOfExchangeFeesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRangeOfExchangeFeesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRangeOfExchangeFeesTextBlock" order="37"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointDiscounts" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointDiscounts"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointDiscounts" order="38"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseBreakpointMinimumInvestmentRequiredAmount"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseBreakpointMinimumInvestmentRequiredAmount" order="39"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesRepresentBothMasterAndFeeder" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRepresentBothMasterAndFeeder"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRepresentBothMasterAndFeeder" order="40"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpensesExplanationOfNonrecurringAccountFee" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesExplanationOfNonrecurringAccountFee"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesExplanationOfNonrecurringAccountFee" order="41"/>    
    <loc xlink:type="locator" xlink:label="oef_OtherExpensesNewFundBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_OtherExpensesNewFundBasedOnEstimates"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_OtherExpensesNewFundBasedOnEstimates" order="42"/>  
    <loc xlink:type="locator" xlink:label="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AcquiredFundFeesAndExpensesBasedOnEstimates"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AcquiredFundFeesAndExpensesBasedOnEstimates" order="43"/>    
    <loc xlink:type="locator" xlink:label="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded" order="44"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesRestatedToReflectCurrent" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesRestatedToReflectCurrent"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesRestatedToReflectCurrent" order="45"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees" order="46"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleHeading"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleHeading" order="47"/>  
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearHeading"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearHeading" order="48"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNarrativeTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNarrativeTextBlock" order="49"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleByYearCaption"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleByYearCaption" order="50"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear01"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear01" order="51"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear03"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear03" order="52"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear05"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear05" order="53"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleYear10"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleYear10" order="54"/> 
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionNarrativeTextBlock" order="55"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearCaption" order="56"/>     
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionByYearColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionByYearColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionByYearColumnName" order="57"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear01" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear01"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear01" order="58"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear03" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear03"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear03" order="59"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear05" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear05"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear05" order="60"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleNoRedemptionYear10" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleNoRedemptionYear10"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleNoRedemptionYear10" order="61"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleFootnotesTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleFootnotesTextBlock" order="62"/>   
    <loc xlink:type="locator" xlink:label="oef_ExpenseExampleClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ExpenseExampleClosingTextBlock"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ExpenseExampleClosingTextBlock" order="63"/> 
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverHeading" order="64"/>     
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverTextBlock" order="65"/>  
    <loc xlink:type="locator" xlink:label="oef_PortfolioTurnoverRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PortfolioTurnoverRate"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PortfolioTurnoverRate" order="66"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyHeading" order="67"/> 
    <loc xlink:type="locator" xlink:label="oef_StrategyNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyNarrativeTextBlock" order="68"/>  
    <loc xlink:type="locator" xlink:label="oef_StrategyPortfolioConcentration" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_StrategyPortfolioConcentration"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_StrategyPortfolioConcentration" order="69"/> 
    <loc xlink:type="locator" xlink:label="oef_RiskTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_RiskTextBlock"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_RiskTextBlock" order="70"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartAndPerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartAndPerformanceTableHeading"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartAndPerformanceTableHeading" order="71"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceNarrativeTextBlock" order="72"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceInformationIllustratesVariabilityOfReturns" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceInformationIllustratesVariabilityOfReturns"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceInformationIllustratesVariabilityOfReturns" order="73"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceOneYearOrLess" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceOneYearOrLess"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceOneYearOrLess" order="74"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceAdditionalMarketIndex" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAdditionalMarketIndex"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAdditionalMarketIndex" order="75"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityPhone"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityPhone" order="76"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceAvailabilityWebSiteAddress" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceAvailabilityWebSiteAddress"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceAvailabilityWebSiteAddress" order="77"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformancePastDoesNotIndicateFuture" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformancePastDoesNotIndicateFuture"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformancePastDoesNotIndicateFuture" order="78"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHeading"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHeading" order="79"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartNarrativeTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartNarrativeTextBlock" order="80"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartDoesNotReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartDoesNotReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartDoesNotReflectSalesLoads" order="81"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnCaption"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnCaption" order="82"/>     
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnColumnName"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnColumnName" order="83"/>   
    <loc xlink:type="locator" xlink:label="oef_AnnualReturnInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnualReturnInceptionDate"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnualReturnInceptionDate" order="84"/> 
    <loc xlink:type="locator" xlink:label="oef_AnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AnnlRtrPct"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AnnlRtrPct" order="85"/> 
    <loc xlink:type="locator" xlink:label="oef_BarChartFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartFootnotesTextBlock"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartFootnotesTextBlock" order="86"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartClosingTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartClosingTextBlock" order="87"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod" order="88"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartReturnsForClassNotOfferedInProspectus" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartReturnsForClassNotOfferedInProspectus"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartReturnsForClassNotOfferedInProspectus" order="89"/> 
    <loc xlink:type="locator" xlink:label="oef_YearToDateReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_YearToDateReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_YearToDateReturnLabel" order="90"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturnDate" order="91"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartYearToDateReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartYearToDateReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartYearToDateReturn" order="92"/>     
    <loc xlink:type="locator" xlink:label="oef_HighestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_HighestQuarterlyReturnLabel"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_HighestQuarterlyReturnLabel" order="93"/>   
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturnDate"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturnDate" order="94"/>     
    <loc xlink:type="locator" xlink:label="oef_BarChartHighestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartHighestQuarterlyReturn"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartHighestQuarterlyReturn" order="95"/> 
    <loc xlink:type="locator" xlink:label="oef_LowestQuarterlyReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_LowestQuarterlyReturnLabel"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_LowestQuarterlyReturnLabel" order="96"/>  
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturnDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturnDate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturnDate" order="97"/>    
    <loc xlink:type="locator" xlink:label="oef_BarChartLowestQuarterlyReturn" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_BarChartLowestQuarterlyReturn"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_BarChartLowestQuarterlyReturn" order="98"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableHeading" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableHeading"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableHeading" order="99"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableDoesReflectSalesLoads" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableDoesReflectSalesLoads"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableDoesReflectSalesLoads" order="100"/>    
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableMarketIndexChanged" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableMarketIndexChanged"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableMarketIndexChanged" order="101"/> 
    <loc xlink:type="locator" xlink:label="oef_IndexNoDeductionForFeesExpensesTaxes" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_IndexNoDeductionForFeesExpensesTaxes"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_IndexNoDeductionForFeesExpensesTaxes" order="102"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableUsesHighestFederalRate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableUsesHighestFederalRate"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableUsesHighestFederalRate" order="103"/>     
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNotRelevantToTaxDeferred" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNotRelevantToTaxDeferred"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNotRelevantToTaxDeferred" order="104"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableOneClassOfAfterTaxShown" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableOneClassOfAfterTaxShown"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableOneClassOfAfterTaxShown" order="105"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableExplanationAfterTaxHigher" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableExplanationAfterTaxHigher"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableExplanationAfterTaxHigher" order="106"/>   
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableNarrativeTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableNarrativeTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableNarrativeTextBlock" order="107"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod"/>  
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod" order="108"/>  
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableFootnotesTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableFootnotesTextBlock"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableFootnotesTextBlock" order="109"/> 
    <loc xlink:type="locator" xlink:label="oef_PerformanceTableClosingTextBlock" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerformanceTableClosingTextBlock"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerformanceTableClosingTextBlock" order="110"/>    
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnCaption" order="111"/>   
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnColumnName" order="112"/> 
    <loc xlink:type="locator" xlink:label="oef_AverageAnnualReturnLabel" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AverageAnnualReturnLabel"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AverageAnnualReturnLabel" order="113"/> 
    <loc xlink:type="locator" xlink:label="oef_AvgAnnlRtrPct" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_AvgAnnlRtrPct"/>   
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_AvgAnnlRtrPct" order="114"/>     
    <loc xlink:type="locator" xlink:label="oef_PerfInceptionDate" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_PerfInceptionDate"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_PerfInceptionDate" order="115"/>    
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldCaption" order="116"/>   
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldColumnName" order="117"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYieldPhone" order="118"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayYield" order="119"/> 
    <loc xlink:type="locator" xlink:label="oef_MoneyMarketSevenDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_MoneyMarketSevenDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_MoneyMarketSevenDayTaxEquivalentYield" order="120"/>    
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldCaption" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldCaption"/>    
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldCaption" order="121"/>   
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldColumnName" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldColumnName"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldColumnName" order="122"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYieldPhone" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYieldPhone"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYieldPhone" order="123"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayYield"/>     
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayYield" order="124"/> 
    <loc xlink:type="locator" xlink:label="oef_ThirtyDayTaxEquivalentYield" xlink:href="https://xbrl.sec.gov/oef/2024/oef-2024.xsd#oef_ThirtyDayTaxEquivalentYield"/> 
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="oef_ProspectusLineItems" xlink:to="oef_ThirtyDayTaxEquivalentYield" order="125"/>    
  </presentationLink>  
</linkbase>
