This software runs the basic operation; it tells the hardware what to do and how and when to do it.

这类软件执行计算机的一些基本操作；它告诉硬件要作些什么，如何做以及什么时候做。

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Programming is, at its simplest, the way people tell computers what to do, when to do it, and how to do it.

程序设计，简单地说，就是人们告诉计算机做什么，什么时候做以及怎样做的方式。

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The best way to prepare a baseball team is to spend the time necessary to plan practice so that players know exactly what to do and when to do it.

球队备战最好的方式是为规划的训练项目投入足够多的时间，让球员知道该做什么以及什么时候做。

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Huck's heart leads him to do the right thing, even when everything he has been taught tells him it is wrong.

VOA: special.2010.03.21

I'm not going to do it for you, but what would I think about doing when I change the code?

要改变代码应该做什么呢？,我不会帮你们做这些,但是我在改编代码的时候会想什么呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

I chose English Literature because when I started off a university, I didn't know what it was I wanted to do.

我选英语文学是因为当我刚上大学的时候，我不知道自己到底想做什么。

为何选那门专业？ - SpeakingMax英语口语达人

In the beginning, leaders were managers, who made decisions and told others what to do, how to do it, and when to do it.

WHITEHOUSE: Collaboration in Catholic Education

We evaluate where we have to go, what else we need to do and when we have to do it.

FORBES: Time trumps Money in Innovation

Wise advice emerged from each one: You will know what to do when the time comes to do it.

FORBES: Business Lessons From A Homicidal Chihuahua