"I know some question whether we can afford to act this year. But the unmistakable truth is that it would be irresponsible to not act.

VOA: standard.2009.06.13

So, you may or may not know this about your TAs, but this is a pretty competitive group of TAs we have this year, and they like to brag about how smart their recitation is, how good questions they're getting in the recitation section.

不知道你们是否知道这与你们的助教有关，但是今年我们的助教们,都非常有才，而且他们都想向别人炫耀一下，自己的讨论课做得有多漂亮，回答的问题有多好。

麻省理工公开课 - 化学原理课程节选

"And you know, with us doing that we got back to this point and got past where we were last year and we are happy to be able to compete for a national championship on Monday night."

VOA: standard.2009.04.05

We know that this year has not been a good one for the Chinese wind power industry as growth slowed dramatically.

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We know that this past year was the hottest on record.

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But as much as we all have to be thankful for, we also know that this year millions of Americans are facing very difficult economic times.

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