- 问题详情:TherewasatimewhenatriptothesupermarketintheUnitedStatesoftenendedwithaseeminglysimplequestionfromthecashier:“Paperorplastic?”Well,whichtypeofbagwouldyouchoose?Whilealltypesofbagshavesomeinfluenceontheenvironment,ithaslongbeensupposedthatpap...
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