What is done is done?怎样译成汉语

what is done is done what's done is done What is done is done.是什么结构? What done is what's done is done 是什么意思呀 ? “Well begue is half done”翻译成汉语是什么? what is to be done? done is Accept what is done is done 怎么翻译 Just remember done is done What is done can not be ______________ you can't undo what is done.