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

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

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