礼貌的比较级,表越来越时为什么不用more polite and more polite而是用more polite and polite?

问题描述:

礼貌的比较级,表越来越时为什么不用more polite and more polite而是用more polite and polite?

应该是more and more polite吧,more and more +adj表示越来越,固定搭配