我们决定不再追究这件事。

We have decided not to pursue the matter.

《牛津词典》

我希望这件事尽快完成。

I want it (to be) done as quickly as possible.

《牛津词典》

这件事看来相当重要。

This matter has assumed considerable importance.

《牛津词典》

And the first thing you do is ask is it an instance of some problem that other people have already solved?

而且你以前从没碰过这个问题,你首先要做的一件事就是问问自己,这是不是一个别人已经解决了的问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

Use this pattern whenever you want to find out about the timing of an event in the past, present, or future.

当你想知道过去、现在或者未来某件事发生的时间时，你都可以使用这个句型。

When 课堂 - SpeakingMax英语口语达人

Now, when we talked about optimization problems in dynamic programming, I said there were two things to look for.

现在，当我们讨论,动态编程中的最优化问题时，我想说有两件事需要注意。

麻省理工公开课 - 计算机科学及编程导论课程节选