There are things that we can all relate to, so just because it is set in that era or in this mythological world or even a million years into the future, any movie that is worth its salt in this kind of genre should reflect issues that we deal with today.

VOA: standard.2010.04.08

As you have discovered in recent problem set, it is possible to construct all subsets of a set.

正如你在最近的问题集中发现的，构建集合的所有子集是可行的。

麻省理工公开课 - 计算机科学及编程导论课程节选

If I want to take the average energy of all of those, what I can do is go over to my data set.

如果我想得到这所有电子能的平均值，我就得去看一下我的数据库。

麻省理工公开课 - 固态化学导论课程节选

At the end of the day this is all about equipping you with skills and knowledge and understanding with which to take a problem, take a large data set maybe and actually produce something useful-- produce a project that is of interest to you.

下午放学后,就用学到的技能，知识和理解力来,解决问题，或者处理超大数据集,或制造一些有用的东西-,例如发起一个你们感兴趣的项目。

哈佛公开课 - 计算机科学课程节选

All right, so if the other guy is pricing above costs, I want to set prices below his so that I steal the whole of the market and make profits on those sales.

正确,如果对手定价比成本高,我就想定价比他的价格低,这样我就可以占领整个市场,并获得销售利润

耶鲁公开课 - 博弈论课程节选