- 问题详情:Ourenvironmentisn'tasgreenandbeautifulasitshouldearesteelmonstersblockingoutthesun.blowingoutdangeroussmoke,andlettingoutpoisonouschemicalsintorivers,carsproducingharmfulwastegas,peoplethrowingoutwasteinawrongwayandallotherkindsofsourcesthat...
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