So, what I want to do is make a new engine which really just consists of two engines, side by side.

我们先构造一个,由两个热机组成的热机，并排排列。

麻省理工公开课 - 热力学与动力学课程节选

And Manifest Destiny was the engine of capitalism, make no mistake.

而且,命运天定思想,是资本主义的发动机,这点无容置疑

耶鲁公开课 - 美国内战与重建课程节选

It's just like you could say some of the principles of mechanics are very obvious, but to make an engine that operates in terms of those principles is not obvious.

这就像你能说,很多机械原理都显而易见，但是要根据这些原理,制作一个能够运转的发动机,就不那么容易了。

耶鲁公开课 - 金融市场课程节选