周末,威尔逊和艾迪的父母要带他们去州立国家公园爬山,然后野餐。临行前的一天,一家4口人商量如何进行准备:妈妈负责去超市买食品,爸爸准备烤肉的炉子,9岁的威尔逊提出负责所有餐具,11岁的埃迪负责准备调料。爸爸提醒他们是否列出一个单子,一则防止遗漏,再则若家里不够的物品, Weekends, Wilson and Eddie’s parents will take them to the National Park to climb mountains and picnics. One day before their departure, a family of four people discussed how to prepare for it: the mother was responsible for going to the supermarket to buy food, and the father preparing a barbecue. The 9-year-old Wilson was responsible for all the dishes and Eddie, aged 11, was responsible for preparing the seasoning. Dad reminds them whether to list a list, one to prevent omissions, and then if the family is not enough items,