Alice bought some potato chips (to) herself for lunch.to 为啥错要换成for请讲理由
问题描述：
Alice bought some potato chips (to) herself for lunch.
to 为啥错要换成for
请讲理由
答
主要因为后面只能用for在前面就最好不用
实际上前面用for.to都可以
答
buy sb sth是固定搭配，英语的语言习惯
答
没见过buy to
答
因为是给自己。。。单方
to是一方到另一方
答
buy sth for sb = buy sb sth
这就是buy的句式用法
答
buy for 是固定用法好不好