"They have seen what happens when patients do not come in for regular check-ups or screenings because either their insurance company does not cover it, or they cannot afford insurance in the first place,".

VOA: standard.2009.10.05

It would either say something like -I'm not going to do the words that they would have come up with, but they would have said, yeah that's a good place to go or don't do that, that's a terrible mistake.

这答案不外乎两种,我不会说他们的那种语言,但是他们的意思大概是,那是个好去处,或者别做那事儿,那是个糟糕的错误

耶鲁公开课 - 古希腊历史简介课程节选

that something you that you either did or did not do but should have done.

为一些你之前做过的或是本该做却没有做的事情表示遗憾。

I should have 课堂 - SpeakingMax英语口语达人

"A tremendous number of villagers live in fear, and we have officials who either can not or do not serve their people effectively, and violence is up, and it is not up only because there are more coalition forces, it is up because the insurgency has grown,"

VOA: standard.2009.10.01