in mind 和 on mind 有什么区别?例1：You should keep that in mind.例2：Let me ask you the

on one's mind表示现在正在想的,比如,There's something on my mind.即,我现在心里有点事.in one's mind有两种意思 一,“在我看来”：In my mind he is only a clown.在我看来他不过是个小丑.二,“在我心里”：You will always be in my mind.你永远在我心里.