16 Ifyouaregrowingtomatoesinyourbackyardforsaleyouarep...
問題詳情: 16 Ifyouaregrowingtomatoesinyourbackyardforsaleyouareproducingforthemarket.Youmightsellsometoyourneighborandsometothelocalmanagerofthesupermarket.Butineithercase,youareproducingforthemarket...