means doing 和 means to do区别和用法是什么?

means doing 和 means to do区别和用法是什么? a means to和a means of的区别? doing和to do的用法区别. means和meaning用法上的区别,要举例子 way,method,approach,means的区别,用法和意义哦, 英语way和 means在用法上有什么区别 method和means,way区别 mean to do 和mean doing 的区别和用法? need to do sth和need doing sth的用法、意思和区别是什么? try to do和try doing的用法和区别是什么 by this means和in this means有什么区别? by means of和by the means of区别