- 问题详情: Ourenvironmentisn’tasgreenandbeautifulasitshouldbe.Therearesteel(钢铁)monstersblockingoutthesun,blowingoutdangeroussmoke,andlettingoutpoisonouschemicalsintorivers,carsproducingharmfulwastegas,peoplethrowingoutwasteinawrongwayandallotherk...
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