证实他的清白已经成了一件道义上的事。

Proving his innocence has become a matter of honour.

《牛津词典》

耗尽世界的自然资源无疑是一件经济上的愚蠢行为。

Surely it is an economic nonsense to deplete the world of natural resources.

《柯林斯英汉双解大词典》

他将一件外衣披在长袖套衫上。

He slipped a coat over his sweatshirt.

《牛津词典》

I know you want to get on with life, and you're onto the next thing, and you are tuning out, but you hear all the click, click, click, click, click?

我知道你希望在生活上出人头地，由于弄另一件事上了，后来你又不理会了，你能全部听到嘀嘀的声音？

麻省理工公开课 - 固态化学导论课程节选

So it's kind of... it's nice that you can choose because I feel like you have a better time in class.

可以自己选课是件很好的事情，因为这样你在课堂上感觉会更好。

高中生活怎么样？ - SpeakingMax英语口语达人

So this particular vector, you probably can't even see the whole thing on your screen. Well, it's got 40 items in it.

这个特殊的向量，在你的屏幕上可能都看不全,好的，它一共包括40件物品。

麻省理工公开课 - 计算机科学及编程导论课程节选