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發表於:01-07
Therearesomewaystoreusethewastes.Theusedplasticbagscanbeusedtocontainourfamilyrubbish.Theemptytinscanbemadeintoashtrays.Wecanalsomaketheusedbottlesintodifferentkindsofhan...
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發表於:02-17
europeancountriesarenowmakinganactiveefforttoreusematerialsmorethantheyusedto.thisiscalledrecycling.materialssuchaspaper,glassormetalarecollected,sorted,treatedandusedaga...
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發表於:06-12
Peopleplantagreatnumberofyoungtreesinthethetreesgrowbigandtallenough,theyarecutdownbyworkersandcarriedoutofthemountainstothepapermillwherefinepaperismadefromitistakentoev...