Americanswithsmallfamiliesownasmallcaroralargeone.Ifbot...
問題詳情：Americanswithsmallfamiliesownasmallcaroralargeone.Ifbothparentsareworking,theyusuallyhavetwocars.Whenthefamilyislarge,oneofthecarsissoldandtheywillbuyavan(住房汽車)Asmallcarcanhold(容納)fourpe...