The first thing they are supposed to say is good morning or good afternoon, and then they say, what are your questions?

他们应该说的第一件事就是,早上好或下午好，然后会问，你的问题是什么呢？

麻省理工公开课 - 固态化学导论课程节选

The first thing you probably want to accomplish or at least one thing that seems easy is find the graphic of the cookie sheet that you happen to want for this project.

你第一件要完成的任务,或者说你最起码要做的，是绘出,这个工程里面出现的各式各样的饼干人物图。

哈佛公开课 - 计算机科学课程节选

What do you get if you follow the greedy algorithm? What's the first thing the thief does?

如果年贪婪算法你会带走什么呢？,这个贼做的第一件事是什么？

麻省理工公开课 - 计算机科学及编程导论课程节选

And those are two things that you'd like to do with every looping construct you write: you'd like to be able to assure yourself that they will always terminate, and then the second thing you'd like to do, is to assure yourself that it does give you back a reasonable answer.

就是现在我有了能去检查程序,是不是做了正确的操作的能力：,这就是你们在写每个循环程序的时候,都要注意的两个事情：,第一件事情是要确保程序可以终结，第二件你要做的事情,就是要确保程序返回了正确的答案。

麻省理工公开课 - 计算机科学及编程导论课程节选