英语作文句子中含有两个people,应该怎么修改?

问题描述:

英语作文句子中含有两个people,应该怎么修改?
many people criticize it,but few people know the real roots.
那个know是不是可以换成什么高级词汇.

many people criticize it,but few of them know the real roots.
know不用换掉,这样就挺好.