It's the one thing you can't get back.

你无法收回东西。

One solution would be to force universities to take on some of the risk that loans will not be repaid.

一个解决办法迫使大学承担一些贷款无法收回风险。

617. It seems some of the spoilers cannot be retracted.

617. 看来有些剧透无法收回。

But loss must be the necessary consequence of improving land for the sake of a produce of which the price could never bring back the expense.

但损失一定为了生价格永远无法收回成本而改良土地必然结果。

It refers to money that you can't get back, you've already spent it, and you feel that because you've spent that money you should spend even more money on the same bad idea.

它指你无法收回钱， 你已经花掉了，你觉得因为你已经花掉了那笔钱， 所以你应该在同一个坏主意上花更多钱。