帮我看看这句话又没有语法错误,怎么改?

问题描述:

帮我看看这句话又没有语法错误,怎么改?
It is hard to compare a with b,because lack of which would cause problem

这样改:It is hard to compare a with b,because any neglect would cause problem.
原句是想表达a和b难以比较,因为缺少哪个都会导致问题的发生.
用名词neglect,可以直接表达这个意思.