They don't have carrots for lunch they don't have broccoil for dinner .

问题描述:

They don't have carrots for lunch they don't have broccoil for dinner .
不是否定句的时候and要变成or吗?为什么这个句子不变?

因为这是两个句子,你说的是一个句子中的情况,比如They don't have potato or meat for lunch.