- 问题详情:Plasticbagshaven’talwaysbeenPublicEnemyNo.1.Introducedin1982,theysoonoccupiedthegrocerybagmarker.By1996,80percentofallbagsweremadefromlightweightplastics.Customerslovedthem.Theybecamethinner,lighterandabletocontainmorematerialsconveniently.T...
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