They do a lively trade in souvenirs and gifts.
他们做纪念品和礼品生意，做得有声有色。
Surely it doesn't matter where charities get their money from: what counts is what they do with it.
当然，慈善组织从哪里得到钱并不重要，重要的是他们用这些钱做什么。
They do these tasks without payment.
他们做这些工作没有报酬。
Praise them sincerely when they do something good.
当他们做了好事时，真诚地赞美他们。
If they do, it will be significant for a few reasons.
如果他们这样做，这将有几个重要的原因。
I suggested they do some experiments or at least a survey.
我建议他们做一些实验，或至少做一项调查。
If the seeds land in a suitable habitat, they do well and reproduce.
如果种子落在了合适的栖息地，它们就会生长得很好并进行繁殖。
That does not mean teens need to use electronic devices as often as they do now.
这不是说青少年需要像他们现在这样频繁地使用电子设备。
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。
When they go on tour, they do a vast number of concerts, singing in smoky places.
他们巡回演出时会举办很多音乐会，在烟雾缭绕的地方演唱。
They do a lot of business in lucrative overseas markets.
他们在利润丰厚的海外市场上生意很多。
Fasten the gates securely so that they do not blow open.
把大门闩好以免被风吹开。
They do not believe the killings were politically motivated.
他们相信这些谋杀案没有什么政治动机。
They do a pretty good job of impersonating Laurel and Hardy.
他们扮演劳莱和哈代很成功。
He has promised drastic disciplinary action if they do not mend their ways.
如果他们不改过自新的话，他已保证会严惩不贷。
They do not keep a tally of visitors to the palace, but it is very popular.
他们没有对来宫殿的游客作一个记录，不过这个地方非常受欢迎的。
"People just don't do things like that."—"On the contrary, they do them all the time."
“人们根本就不像那样做事。” —“然而，他们却一直在那么做。”
These expressions are often used interchangeably, but they do have different meanings.
这些表达法经常可以互换使用，但它们的确有不同的含义。
他们什么也不做。
What things can't they do on the island?
他们在岛上不能做什么？
What will they do in the party on Saturday afternoon?
星期六的晚会上他们要做什么？
Sometimes they do something that you find hard to understand.
有时他们会做一些你很难理解的事情。
They tend to believe in themselves and in what they do.
他们倾向于相信自己和自己所做的事情。
When people use the Internet, they do not remember the information.
当人们使用互联网时，他们不记忆信息。
I know they do this out of love, but I feel controlled.
我知道他们这么做是出于爱，但我觉得自己被控制了一样。
This is what they do at most banks and fast-food restaurants.
大多数银行和快餐店都是这样做的。
We know they cannot win, but if they do win sometimes, it's even funnier.
我们知道他们不可能赢，但如果他们有时真的赢了，那就更有趣了。
This is perhaps why volunteers all around the world keep doing what they do.
这也许就是为什么世界各地的志愿者一直在做他们所做的事情。
If they do not guess correctly, they pick up their probe and try another place.
他们若是推测有误，就会拿探测器去另一个地方试试。
If they do not guess correctly, they pick up their probe and try another place.
他们若是推测有误，就会拿探测器去另一个地方试试。
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