Staring through the magnifying glass, Mikhaiel makes sure that all of the pieces - called tessarae - are exactly where they are supposed to be.

VOA: standard.2010.07.30

That's what portfolio managers are supposed to be doing all the time.

也是投资组合经理们一直应该在做的事。

耶鲁公开课 - 金融市场课程节选

see people with them, and what happens here is it's supposed to be those noise cancellation headphones. All they do is they take in the ambient noise that's around it, and there's actually battery in the headphones, that then produces waves that are going to destructively interfere with that ambient noise.

我从来没有用过这个,但你会看到有人带他们,它们可以作为消噪音耳机,它们所做的就是采入,周围的随机噪声，耳机里面是，有电池的，然后它能产生和,随机噪声相干相消的声波。

麻省理工公开课 - 化学原理课程节选

When you do Sitting Meditations and Buddhism, this medical school teach, you have your eyes open a reminder, that first of all, you don't fall asleep but also to remind you that you are supposed to be engaging the world as you do it, rather than having your eyes closed and isolating yourself.

当你学习佛教，进行坐禅时，据医学院的方法，你要睁开双眼,提醒自己，首先不要睡着,也是为了提醒自己,冥想时也要参与到这个世界中来，而不是闭上双眼,与外界隔绝。

普林斯顿公开课 - 人性课程节选

There's never been any agreement, so far as I can tell, as to who it is we're supposed to be imagining the outside observer to be, and there are all sorts of conjectures.

这里的X到底是谁，就我所知，并没有定论,这个置身于外的观察者的身份仍然不明，关于这点又充满了各种各样的推测。

耶鲁公开课 - 弥尔顿课程节选