What can you see和What do you see有什么区别

What can you see和What do you see有什么区别 What do you see?和What can you see?的区别是啥呀 what do you see ? what can you see ? 用法的区别 What can you see? What can you see What do you see? but see what you can do what e___ can you see what ___ can you see? what do you see?回答 what else can you see?----- ----- ----- can you see? can you see （what does he do?）