- 問題詳情:Itisimportanttodealattherubbishincities.Howtopropertreatrubbishwhatmaycausealotofproblemsshouldbestudiedcarefully.Theymaypollutetheairandthewater.Nowwe’vetakensomemeasures.Somerubbishissortedandsenttodifferentfactory.Rubbish,suchasoldnewspap...
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