"Unfortunately though, most of the key international actors who have displayed quite a lot of interest in what is going on in south and central Somalia over the past couple of years, have really continued to neglect and ignore what is going on here in Somaliland."

VOA: standard.2009.09.07

Now that unfortunately happens quite regularly.

这样的不幸时有发生。

普林斯顿公开课 - 人性课程节选

Second thing we've got to worry about is, what's a basic step? All right, if I bury a whole lot of computation inside of something, I can say, wow, this program, you know, runs in one step. Unfortunately, that one step calls the Oracle at Delphi and gets an answer back. Maybe not quite what you want.

我们需要担心的第二件事情就是，什么该作为一个基本的步骤呢？,如果我把一大堆的计算过程放到里面，我可以说，噢，这个程序你知道的，一步就完成了，不幸的是,这一步可能要靠预言家才能得到答案,这可能跟你想要的结果不太相同吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

You take your room temperature liquid helium and you cool it with liquid nitrogen to 77 degrees Kelvin, the new, you're not quite there yet 77k unfortunately right? Then you take hydrogen you cool it would liquid nitrogen to 77, then you can use your hydrogen gas.

首先要有常温的氦气,拿液氮把它冷却到77k，那个新来的7,你不坐在那儿，对吧？,然后用液氮把氢气降温到,然后就可以使用这个氢气了，想要用氢气来做焦耳-汤姆孙实验。

麻省理工公开课 - 热力学与动力学课程节选