Lemelson died in 1997 at the age of 74, but the foundation that he set up promotes problem-solving through invention and innovation.

VOA: standard.2009.12.18

The other quick thing I want to say is that I do have office hours today from 3 to 5, so feel free to stop by if you have questions about problem-set 3 that you're finishing up.

我还想说一件小事,我今天的答疑时间是三点到五点，如果你对于第三次作业还有任何疑问,请在这个时间段来找我，不必客气。

麻省理工公开课 - 化学原理课程节选

You have to pass it as input to another function, as you'll see as possible in problem's Set One specification, but it's ultimately up to you.

你需要把它传给另一个函数当入参，就像你们将,在习题集1中可能看到的，但它最终取决于你。

哈佛公开课 - 计算机科学课程节选

So this is just a heads up for as you start your next problem set.

所以这是给你们开始下个习题集的一点提示。

麻省理工公开课 - 化学原理课程节选

Then you have a problem set, which is due on that day, your first problem set, and the problem set is up on the website.

你们到时还要交习题册，这是你们的第一次回家练习，习题册已经上传到网上了。

耶鲁公开课 - 金融市场课程节选