请问what happens in vegas stays in vegas是什么意思?好像是句谚语，我在natasha belingfield的歌词里听过，还在Two And A Half Men 里听过。麻烦各位高人给解释一下。谢谢

what happens in vegas 歌词 What happens in this month? What happens twice in every moment,once in every minute and never in a thousand years?请问这句话是什么意思? what happens what happens in spring?请用英文回答, What happens in this place ?的汉语是什么? What happens after the this is what happens. What happens tomorrow中文歌词 what happens to you What happens then? what amazing happens What Happens Now 歌词 what happens twice in every moment,once in every minute,and never in a thousand years? What happens twice in every moment,once in every minute and never in a thousand years? 请问What happens?与What happening?的区别?二者之间的用法? what happens in vegas,stays in vegas还是what happened in vegas,stay in vegas?前者对还是后者对？ Yor've got this entire nice plan abort your future business.But____it doesn't work out?A.what abortB.how aboutC.what ifD.what happens