Why he lied I don't know,". This is the last case before the U.N.Special Court for Sierra Leone.

VOA: standard.2009.11.10

Well, it's not just in the U.S., essentially every--I don't know if there's any exception.

当然不仅仅是在美国,实质上是每个...我不清楚是否有特例

耶鲁公开课 - 金融市场课程节选

I don't know what percent; our oil reserves in the U.S. are pretty small, so we're kind of lying somewhere inside-- maybe on this pink line.

我不知道具体占百分之几;,美国的石油储备量是微不足道的，所以我们可能是位于这附近-,也许在这条粉线上面。

耶鲁公开课 - 金融市场课程节选

It's not popular in Germany to take all of our - a lot of euros here to the U.S. because we don't know it.

NPR: The Dollar Weak, New York Stores Turns to the Euro

Then you compare that to all the U.S. companies that you don't know anything about.

FORBES

U.S. officials say they don't know why the text messages weren't provided earlier.

WSJ: U.S.: Russia Withheld Intel on Boston Bomb Suspect