There are differences of opinion on the best medicine for the ailing world economy, although there is consensus that something must be done.

VOA: standard.2009.03.31

So, this observation is equivalent to saying that there must be something that is path independent.

这个表述相当于说,一定存在某个物理量是与路径无关的。

麻省理工公开课 - 热力学与动力学课程节选

It's kind of--there must be something in cooking like that -use cornstarch or something, a filler -I don't know--just to make--give something body.

估计和烹饪的道理一样,用淀粉或某种填充物,我也不清楚,反正是进行塑形

耶鲁公开课 - 聆听音乐课程节选

He says there are no neat and easy answers, but he stresses something must be done.

VOA: standard.2009.05.21

There must be something extra, something immaterial about us, the soul.

必定存在某些额外的东西,某些非物质,比如灵魂

耶鲁公开课 - 死亡课程节选

if I could hang your hat on one kind of Southern distinctiveness, perhaps above all it's fun to play with all these stereotypes and realize that if so many people were writing this way, from personal observation, yes, there must be something to all these differences.

如果我们现在好好思考一下南方的特点,也许首先,让我们想想所有关于南方的陈见,不难意识到,如果那么多人通过个人观察,写出的南方都大同小异,那么这些南方特点一定有其根源

耶鲁公开课 - 美国内战与重建课程节选

That is to say, if something causes literature, there must be some sort of authority behind it and therefore we find ourselves asking, "What is an author?"

即是说，如果文学有缘由的，它的背后一定存在作者,所以我们会问，“作者是谁？“

耶鲁公开课 - 文学理论导论课程节选

There must be something more than the purely physical to us.

在我们身上一定存在着,超越于物理实体的特质

耶鲁公开课 - 死亡课程节选

Must there be something outside the body that controls the body?

一定有某种物质在体外操控我们的躯体吗

耶鲁公开课 - 死亡课程节选