eat more fruit and less meat to keep health 这个句子对吗?主语为什么不用eating

问题描述:

eat more fruit and less meat to keep health 这个句子对吗?
主语为什么不用eating

不是句子。
eat more fruit and less meat to keep health

eating more fruit and less meat is to keep health
或者people eat more fruit and less meat to keep health

这个句子对的,确切的说这个不是句子,是个短语.
用EATING的话,你句子里没有动词呀.