Because it must be so carefully plotted and so carefully clued.

因为它必须有相当精心编写的情节和相当严密的线索。

youdao

I knew how it would be. I always said it must be so, at last.

我早就知道会这样，我平常老是说，总有一天会这样。

youdao

"It must be so comfortable that they would want to wear it again," she said at a media briefing.

她在一个媒体发布会上说：“这些衣服很舒服，领导人们以后一定还会想再穿。”

youdao

The settlement must protect China's territorial rights so it would not be divided into foreign colonies.

VOA: special.2010.07.29

People tend to think, because the computer says it's so, it must be so. That the computer is- speaks for God. And therefore it's infallible.

那么一定就是这么回事了,他们认为计算机代表着神一样的存在-,因此是不可能犯错的。

麻省理工公开课 - 计算机科学及编程导论课程节选

So it must be something nonphysical.

那么它一定是某种无形的东西

耶鲁公开课 - 死亡课程节选

'I was afraid it must be so.

NPR: Excerpt: 'An Infamous Army'

Precisely because no one in the organisation has an incentive to pay attention to it more must be so.

FORBES: Yes, Even Green Campaign Groups Succumb to Worstall's Law

But is it so wrong -- so outrageous that it must be overturned.

CNN: Transcript: Opening statement of Rep. Frank