What is done is done.是什么结构?

What is done is done.是什么结构? what is done is done what's done is done What done is what's done is done 是什么意思呀 ? what is to be done? done is Accept what is done is done 怎么翻译 what’s done is done中的what’s是什么的缩写 what he has done is far from satisfactory 是什么时态 Just remember done is done what done has been done has been done?在说说他的结构是什么时态?