You are waiting for a train,a train that will take you far away.为什么a train后面会有一个that

问题描述:

You are waiting for a train,a train that will take you far away.为什么a train后面会有一个that
这是什么用法?不用that可以吗

你在等火车,一个将带你离开的火车.
will take you away 修饰先行词a train,关系代词that在从句中做宾语,就可以省略.此句中that在从句中作主语,所以不能省略.