Ourenvironmentisn'tasgreenandbeautifulasitshouldbe.Ther...
問題詳情：Ourenvironmentisn'tasgreenandbeautifulasitshouldearesteelmonstersblockingoutthesun.blowingoutdangeroussmoke,andlettingoutpoisonouschemicalsintorivers,carsproducingharmfulwastegas,peoplethrowi...