The "parable of the talents" rewards hard work and investment; and it's satisfying because it does that, but it also instills an anxiety about non-productivity.

才能的寓言“奖励努力工作和投资的人;,这很令人满意，但同时它也会造成关于无生产力的忧虑。

耶鲁公开课 - 弥尔顿课程节选

Talk a little bit about the work of Interfaith Youth Core and what its basic mission and goals are.

简要谈谈跨信仰青年核心的工作,及它的主要使命和目标吧。

普林斯顿公开课 - 人性课程节选

These are actually all examples that we'll talk about in freshman chemistry at some point, as an example of a connection between a chemical principle we learn, and what we can know about how it functions.

作为联系一个我们,所学的化学原理,和我们能知道它，如何工作的例子。

麻省理工公开课 - 化学原理课程节选

So, this is what goes on in an electrolysis cell, and it works thanks to input energy from a power supply shown here.

所以，这是在一个电化学电池中发生的，它是靠输入的能量工作的,从和这个类似的电源输出的能量。

麻省理工公开课 - 固态化学导论课程节选

We've formulated one particular kind of engine, and seen how we can analyze what it does, come up with relations that seem of value for efficiency and other quantities.

这是一个很典型的热机，我们来分析它是怎么工作的，然后得到效率和其它一些,有用物理量之间的关系。

麻省理工公开课 - 热力学与动力学课程节选