Imagineyourbodyislikethehouseyoulivein．Everyday,yourfam...
問題詳情：Imagineyourbodyislikethehouseyoulivein．Everyday,yourfamilycreatesrubbish．Therubbishbuildsupuntilitisputoutfortheweeklygarbagecollection． Now,sayyouputthreebagsofgarbageout．butbecauseone...