英语两个句子怎么连接,已经有and了

问题描述:

英语两个句子怎么连接,已经有and了
The purpose of the plan is make our school more beautiful and make thr air cleaner.和 turn our school to a better place for to us to study and live in.怎么连在一起 能直接用逗号吗

The purpose of the plan is to make our school more beautiful,make the air cleaner and turn our school to a better place for to us to study and live in.
修改了一下,这样合理些.
一孔之见,