the difference of "dream of" and "dream about"

dream of 与dream about The dream of you AND half of dream of 和 dream about 什么区别 the dream of mansion i dream of the 请问dream about和dream of有什么区别啊? 我想知道dream of和dream about区别及用法 dream of 与dream about 有何关系和区别 dream of 和dream about怎么区别 怎么用? dream of 和dream about 有什么具体区别啊? dream of与dream about有什么区别? dream of 与 dream about 用法上的区别是什么