If we build an engine for a car or anything else, it almost always is going to have some key element that's operating in a cycle, otherwise it won't keep going, right.

如果我们为一辆汽车，或其他什么东西制造一台引擎,它总要有一些关键，要素来形成循环。

麻省理工公开课 - 热力学与动力学课程节选

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

They're studying practical things like marble work, and metal work, and copper work, and not just shipbuilding.

他们学习一些实用的东西,比如大理石打磨,金属冶炼和铜器制造,并且不仅仅是造船术

耶鲁公开课 - 欧洲文明课程节选

You can take commercial foods, like Wheaties, and go to the manufacturer and try to figure out how many boxes of these things are produced.

对象可以是麦片那样的商品,去联系制造商然后估算出,这些东西生产了多少箱

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If you are interested by contrast in new Aces and fun toys our friends at Aces which is a hardware manufacturer which makes things like motherboards which are the innards of computers and other things.

与之相比，如果你对新鲜和,有趣的玩具感兴趣，像计算机硬件的制造商,他们主要生产主板之类的东西,主板是计算机和其他一些设备的内部结构。

哈佛公开课 - 计算机科学课程节选