In our society,it becomes more and more rare that the people's pursuit of high moral.

问题描述:

In our society,it becomes more and more rare that the people's pursuit of high moral.
请问这句英语的语法错误在哪里?

从句不完整,没有动词.
从句是 "the people's pursuit of high moral." 这只是一个名词词组.