We have done it, we have shown the way, we have shown the path.

VOA: standard.2009.10.17

So we have 4 plus 5, but we're actually not done yet, because it's c n minus, so if we have minus, we actually have an extra electron in our molecule.

我们有四个加上五个，但是我们实际上还没做完，因为这是个负离子，所以如果我们有这个负号，那么我们的分子实际上还有一个额外的电子。

麻省理工公开课 - 化学原理课程节选

We want you to have a sense of why some programs complete almost before you're done typing it.

一些程序你输入进去它,就能给出结果而另外一些,却要整夜整夜的跑。

麻省理工公开课 - 计算机科学及编程导论课程节选

"People did not believe we could do it. And yes,we have done it.

VOA: standard.2010.07.05

There were words in there--they said something--of course, we cannot guarantee that they won't go up in value but historically they have always done it or something like that.

他们在文中吹嘘...当然,我们不能保证金币不会升值,但金币的历史行情趋势始终向上

耶鲁公开课 - 金融市场课程节选

"If you recall a claim was made by al-Qaida representative that they have done it and TTP also has made a claim that we have done it,".

VOA: standard.2010.01.09

And we've been working with them What I will call it prototype; we have not yet done a complete project. But I wanted to show you some pieces of this on slides. So one of the things we've done is create a searchable archive.

我们与他们合作,我称之为草案，我们还没有完成一个完整的项目,但我想给你们看一些幻灯片,我们做的其中一件事就是,创建一个可搜索的档案馆。

麻省理工公开课 - 媒体、教育、市场课程节选

"Let's get a firm strategy, let's discuss that, let's poke and prod it and ensure that we have done it the right way, then implement tactics to achieve that strategy, and part of those tactics are deciding resources."

VOA: standard.2009.10.01

"Why should we do something when we've already done it?" But he recognizes that some people have strong feelings about the issue.

VOA: special.2010.04.28

We have done a lot. We are suffering in terms of our economy and obviously it is affecting our common man in the country."

VOA: special.2010.12.18

"If there's anything lingering it's, 'Could we have done something.' That's always there."

VOA: standard.2010.02.08

"In terms of how the Scottish government approached this, then everything we have done was not about any deals or understandings or negotiations, it was done on the basis of Scots law, what is there within our system,".

VOA: standard.2009.08.21