why don't you ; why not ; what about 三者的区别与用法

why don't you Why don't you+...why not +. why don't you cry why don't you cry Why don't you 造句 Why don't you 歌词 Why don't you leave why don't you.造句 Why Don't You Play why don't we =why not 还是why don't you=why not why not 同义词是 why don't you 还是 why don't you do why not可以=why don't you可不可以=why don't we/they. why don't you与why not的区别 why don‘t you和why not的不同用法 why don't是不是等于why you not? why don't you do=why not doing why don't you listen to please why.don,t you listen to Why Don't You Get A Job,