find out与find 与 discover 的区别

find out与find = same meaning, just you have to put a noun after "find". If you don't have a noun to put in the end, use "find out".

Discover = find out something by accident or intentionally.

find out :一般是发现什么事实真相,后面跟从句.
find:一般是发现人,物,后面跟名词.
discover:一般是指发现上些以前不知道的东西,比如科学上的发现.