youdao

Generally, there is uncertainty as to whether very young children can distinguish between fantasy and reality in advertising.

一般来说，还不能确定幼儿能否辨别广告中的幻想成分和现实成分。

youdao

With almost every decision we make in life there is uncertainty about the outcome.

的确，在生活中，几乎我们所做的每一个决定，都无法确定会带来什么后果。

youdao

Mr.Obama admitted that there is uncertainty about exactly how much oil is being spilled.

VOA: standard.2010.05.14

There may be a little uncertainty about whether the pizza place is still going to be open late at night when you get hungry.

就是当你饿的时候,不能确定批萨店是否还营业

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Let's assume that I know what I'm earning next year; there is actually uncertainty about it.

假设我知道我明年会赚多少钱,虽然这通常都是不确定的

耶鲁公开课 - 金融市场课程节选

There is uncertainty about whether some European governments can service their outstanding debt obligations.

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There is uncertainty in sending a manned mission to the moon, yet that happened.

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However, there is uncertainty over its future as the leader in the phone industry.

FORBES: Why Is Apple Stock Falling Down?