You have an elegy here, a beautiful and plangent lament for something or someone lost. And we have to ask ourselves, "Could this be a paradise lost?"

它变成了挽歌，一首优美的如泣如诉的挽歌,因为某些东西或某些人消失了，我们不得不问自己，这就是失乐园吗“

耶鲁公开课 - 弥尔顿课程节选

If you don't have a legal form, if you've lost it or something, it's online.

要是你没有授权书,或者不小心弄丢了,网站上也有

耶鲁公开课 - 博弈论课程节选