It tells the reader how to do something.
它告诉读者怎样去做某事。
Do you know how it is when you see someone yawn and you start yawning too?
当你看到有人打哈欠时，你也会开始打哈欠，你知道这是怎么回事吗?
Firstly, you have to think about what can I do to respect the building and how can I bring it back to life?
首先，你必须思考我能做些什么来尊重这座建筑，我怎样才能让它起死回生呢?
Nobody knows how they do it with such accuracy, or why eels spawn where they do.
没有人知道它们如何做到那么准确，或是鳗鱼为什么要在大海里产卵。
"I know how to play chess, let me go and show these kids how to do it," he said.
他说：“我知道如何下棋，让我去向这些孩子们展示怎么下。”
After studying these products for several years, I wrote a book about how they do it.
经过对这些产品长达几年的研究，我写了一本关于它们是如何运作的书。
You might think about how you would approach the acquisition process if you had it to do all over again.
你可能会想，如果你可以从头再来，你会如何处理收购过程。
It wasn't until we each went our separate ways that I began to learn how to do things for myself.
直到我们各奔东西后，我才开始学会如何自己做事情。
It appears to me that the first thing we should do is teach people how to sort waste.
在我看来，我们应该做的第一件事是教人们如何分类垃圾。
It would be interesting to discover how many young people go to university without any clear idea of what they are going to do afterwards.
看看有多少年轻人上了大学却不清楚自己以后要做什么，这将是一件很有趣的事。
She became much provoked because the women called to her from every side, "How could you do it?"
她被激怒了，因为女人们从四面八方对她喊：“你怎么能这样做？”
He repeatedly took an existing but half-formed idea—the mouse-driven computer, the digital music player, the smartphone, the tablet computer—and showed the rest of the industry how to do it properly.
他反复琢磨那些已经存在的、但尚未成熟的创意，例如鼠标驱动的电脑、数字音乐播放器、智能手机、平板电脑等，并向其他公司展示如何让这些构思变为现实。
Since you're going to university in England, do you know how much it is for international students to study there?
既然你要去英国上大学，你知道国际学生在那里学习要花多少钱吗？
Other people believe that getting a reward encourages kids to do housework, and it also teaches them real world lessons about how we need to work to get money.
另一些人认为，得到奖励会鼓励孩子做家务，也会让他们学到现实世界中我们需要如何工作来挣钱的道理。
奥斯卡是怎么做到的呢？
Now you can find that that apricot recipe you came across a few months ago, especially when you suddenly want to see how to do it.
现在你可以找到几个月前偶然发现的杏肉食谱，特别是当你现在突然想看看怎么做的时候。
A handful of people can recall almost every day of their lives in enormous detail—and after years of research, neuroscientists are finally beginning to understand how they do it.
少数人能详细回忆起生活中的几乎每一天——经过多年研究，神经科学家终于开始了解这些人是如何做到的。
If you do what you like, then you know how it feels to be calm, relaxed and balanced.
当你在做你所喜欢做的事情时，你就能够体会到什么叫平静、放松和平衡。
Just because you do gardening outdoors doesn't make it exercise, so I don't see how it matters.
仅仅因为你在户外做园艺并不能使它成为锻炼，所以我看不出它有多重要。
If people do not know how much they are eating, it can be really hard for them to stick to a diet.
如果人们不知道自己吃了多少，他们就很难坚持节食。
Does it go to how do we help them organize?
这是否关系到我们如何帮助他们组织？
How do you want your application to hide information for one user and display it to another?
你希望你的应用程序如何对某一个用户隐藏信息，而对另一个用户显示信息？
I can show you how to do it if necessary.
如果有必要，我可以告诉你怎么做。
"A snail on the wall taught me how to do it," said Tom.
“墙上的一只蜗牛教会了我怎么做。”汤姆说。
When children are learning a new skill, ask them to show others how to do it.
当孩子们在学习一项新技能时，让他们给别人示范该如何做。
If he tried to do something difficult, he kept trying over and over again until he learned how to do it.
如果他试图做一些困难的事情，他会不断地尝试，直到他学会如何去做。
We should think about how we can do it better next time.
我们应该想想下次怎样才能做得更好。
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