The solution is so simple, give us $2, we'll give you a ticket and yet it takes nine steps to do that.

解决方案也简单，给我们2美元，我们将给你一张票,但是你需要9个步骤来处理。

哈佛公开课 - 计算机科学课程节选

Well if you think about these steps, here's an easy way to do it. Let's start at 1.

如果你要考虑步骤的话，这里有个简单的方法，让我们从第一步开始。

麻省理工公开课 - 计算机科学及编程导论课程节选

And you know, you could have a reversible engine with lots and lots of steps, but you could always break them down into some sequence of adiabatic and isothermal steps.

你们知道，我们可以设计一个由，很多很多个,循环步骤的热机，但是总可以把它分割成,一系列的绝热,和等温过程。

麻省理工公开课 - 热力学与动力学课程节选

I'm reminded of the confirmation screen here and that's not too bad, then we put in the card and we click confirm and then finally we see the swap Then finally literally nine steps later the ticket comes out of the machine and then, frankly, had to go through the process of where to put the ticket in the machines.

这里出现了确认画面,那还不是太坏，然后我们把卡插进去,点击确认，然后我们看到了那个,函数。，swap，function。,【笑声】然后最终经过9个步骤,票从机器中出来了，然后，需要找出从哪里,把票放到机器中去。

哈佛公开课 - 计算机科学课程节选