"Presidents Bush and Clinton will help the American people to do their part, because responding to a disaster must be the work of all of us.

VOA: standard.2010.01.16

And so, since we clearly do feel things, there must be more to us than a physical object."

因为我们拥有感觉事物的能力,所以我们一定比物理对象高级

耶鲁公开课 - 死亡课程节选

What must this experiment have the potential to do, to be a valid scientific experiment?

实验必须有做什么的能力,才能被称为一个有效的科学实验呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

"They are right. Of course we must do that. It is a scandal in particular that they still lack enough helicopters to move around in southern Afghanistan.

VOA: standard.2009.07.13

He says in The Bridge, he asks the bridge to lend a myth to God, and he suggests that this is something that every age must do because our names for God are always metaphors, poems, something imagined, acts of speech.

他在《桥》中写道，他请求大桥借与上帝一个神话，他暗示到有些事情是每个年纪的人都必须做的,因为我们给予上帝的名总是一些隐喻啊诗歌啊，一些想象的事物，对言辞的表演。

耶鲁公开课 - 现代诗歌课程节选

He wants to live a normal life. To do that he must perform one last job for Saito, a mega tycoon who holds the key to Cobb's safe return to the United States.

VOA: standard.2010.07.20

In fact, there's a rule, FINRA, which licenses stockbrokers, tells their people, you must not sell dividends; they're referring to a bad practice that some unscrupulous stockbrokers occasionally do.

事实上有个规定,给证券商颁发牌照的FINRA,规定从业人员说,股利不能做卖点来推销,这里提到了一个不好的现象,某些证券商的无良手段

耶鲁公开课 - 金融市场课程节选

"If senators refuse to debate about a profound crisis affecting every single citizen, the nation must ask 'What do you fear?' ,'And whose voice do you speak and whose interest do you vote?" Republican Mitch McConnell of Kentucky disagreed, saying the bill will make soaring health care costs go even higher, and place a greater burden on average Americans.

VOA: standard.2009.11.23