when you meet someone you know,you usually have to greet him or her.when you depart,是什么意思

问题描述:

when you meet someone you know,you usually have to greet him or her.when you depart,是什么意思

当你遇到一个你认识的人,通常情况下你要问他或当你离去

当你遇到一个你认识的人时,你通常应该去问候一下他或她,当你离开的时候,

当你看见一个你认识的人,当你要离开的时候,你通常会和他或她打声招呼的