Ourenvironmentisn’tasgreenandbeautifulasitshouldbe.Th...
问题详情： Ourenvironmentisn’tasgreenandbeautifulasitshouldbe.Therearesteel(钢铁)monstersblockingoutthesun,blowingoutdangeroussmoke,andlettingoutpoisonouschemicalsintorivers,carsproducingharmfulwast...