1、stay home -- 待在家里（这里的home，我们就可以把它看作是一个副词，用来修饰前面的动词stay）2、stay at home -- 待在家里（这里的home是跟在介词at后面的......

1、Stay at home2、一旦有了宝宝，我就完全有理由呆在家里了。Once I had had a baby I had the perfect excuse to stay at hom......