英语语法中who与that的问题

问题描述:

英语语法中who与that的问题
Now automotive engineers are catering to buyers who also want their big cars to start and stop on a dime.
其中的who可不可以换成that,为什么?

不可以!虽然是定从,但从句中缺主语!that在这里不能代人,必须用who