Leave for 和 leaving for 有什么区别?

Leave for 和 leaving for 有什么区别? leaving for 和 leave for 的区别和用法 leave for 和 leave from 有什么区别 will leave和are leaving有什么区别 ask for leave 和ask for a leave有什么区别 或者哪个不对 leave的用法leave for 和 leave to,二者有什么区别?请分别举例说明, leave A to B ,和leave A for B,有什么区别 leave a for b 和leave a to b有什么区别 be leaving for和be leaving to的区别 leave for和leave away的区别 leave to 和leave for的区别? leave和leave for的区别是什么?