look for和find out 有什么区别?

look for和find out 有什么区别? looked for和find与find out以及found和look for都有什么区别? look for,find,find out,search有什么区别? look for和find out的区别 look for,find,find out 的区别和用法 find ,find out,look for,的区别 find out,look for,find的区别 look for 和find有什么区别吗? find和find out有什么区别? seek for,look for,find,serach有什么区别 find search look for find out 的区别及用法,后接什么 discover,find out,look for, find的区别?