plan on?

plan on? plan on与 plan for的区别 plan( )doing,in还是on plan to do 和plan on的区别,举例 plan to do 和plan on doing有什么区别? plan to do与 plan on doing的区别? plan to do 和plan on doing的区别 用plan on doing sth造句 plan 后跟介词on 还是for plan They plan for coming at Christmas对吗 百度上是They plan on coming I agreed on this plan.与I agreed to this plan.有什么区别