No one knows exactly how many mompreneurs there are.

VOA: special.2010.04.23

He has it exactly right. OK? Is this smaller than that? No. Now that's a slight lie.

不，这是一个小谎言，抱歉,是一个小错误，如果我要这么说。

麻省理工公开课 - 计算机科学及编程导论课程节选

And there're those philosophers who think that's exactly the right way to think about it, and those philosophers who think no no that's misleading.

有些哲学家认为,我们应该这样思考问题，但也有哲学家认为,不应该这样，这是误导的。

耶鲁公开课 - 死亡课程节选

No one knows exactly where disc golf started, but some credit it to a group of school children in Vancouver,Canada.

VOA: standard.2010.08.03

If stock price option -if stock options tend to be issued as announced by the company later, just before stock prices go up, there's no way that that can be right because nobody can know exactly when the stock price is going to go up.

如果股票期权价格...,如果就像公司事后宣称的一样,公司恰好是在股价上涨之前,发行的股票期权,这是不可能做到的,因为没有人可以确切知道,股票价格何时会上涨

耶鲁公开课 - 金融市场课程节选

And,so far no one has published an official list of exactly which symbols are outlawed.

VOA: standard.2009.12.16