This company has now introuduced a policy where pay rises are related to performance at work .这句话中为什么要用 where不用which

问题描述:

This company has now introuduced a policy where pay rises are related to performance at work .这句话中为什么要用 where不用which

定语从句
分开就是
This company has now introuduced a policy
pay rises are related to performance at work in the policy
关键看which 和where分别代指的什么