I have no idea where I am going, but I know I have to do this.

我不知道我要去哪里，但我知道我必须这么做。

youdao

I have seen people show this to others because when I meet you I may not like your face but this is trivial how do I know who you are?

我看见人们把这个给其他人看，因为当我遇见你时，我也许并不喜欢你的长相，但是这并不重要，我怎么知道你是谁？

youdao

I heard this story when I was in Vietnam, and it was told to me as fact. I have no way of knowing for sure that it is true, but I do know that stranger things have happened in war.

我是在越南时听到这个故事的，而且它是被当作真事告诉我的。虽然我无法确认它是否属实，但我却知道，在战争中，比这更离奇的事情都发生过。

youdao

So the exceptions are useful when you want to have the ability to say, I expect in general this kind of behavior, but I do know there are some other things that might happen and here's what I'd like to do in each one of those cases. But I do want to make sure that I don't let a value that I'm not expecting pass through.

所以当你希望有能力说,我希望一般是这样的行为,异常是很有用的,但是我明白还有一些其它的情况可能发生,我希望对每一种情况都这么做,但是我跟希望能保证,没有让一个预期之外的情况漏过去。

麻省理工公开课 - 计算机科学及编程导论课程节选

And, by the way, I want to congratulate Governor Schwarzenegger and the speaker and others who have been trying to do this in California, but I know that those who have looked at it understand, you can mandate it, but there's still going to be people who can't afford it.

CNN: Transcript of Thursday's Democratic presidential debate

But I do know and have talked to him generally about his approach to this, which is that he believes we ought to take action on common-sense measures that protect the Second Amendment rights of the American people while making it harder for criminals and others who should not have weapons under existing law -- harder for them to obtain them.

WHITEHOUSE: Press Briefing

I've never worked with her in her capacity as Senator of this state, but many community activists I know have and they do not have many good things to say about her.

BBC: Josh Berkow