当你说归还就应该这么做。

Return that call when you said you would return it.

youdao

当你说我们要去听音乐会并写点关于音乐会的内容时，我立刻就想到了她。

When you said we had to attend a concert and write about it, I immediately thought of her.

youdao

当你说出来的时候，不要想当然地认为两者之间的联系很明显。

When you do speak up, don't assume the link will be clear.

youdao

And in the end, when it's at equilibrium, and you look and you'd make a measurement, right, you could do spectroscopy.

当他处于平衡状态的时候，你可以做测量，比方说做光谱分析。

麻省理工公开课 - 热力学与动力学课程节选

So when someone says, "your apartment, it's not so great." You can tell them these reasons and then you say,

所以当有人说，“你的公寓不怎么样”，你可以告诉他们上述理由，然后你说，

That's why 课堂 - SpeakingMax英语口语达人

How can you write an original poem when your literary consciousness is essentially made up of the memory of all the things that you've read before?

你怎么能说自己写的是原创的诗,当你的文思,主要是由你以前阅读积累下的记忆,组合成的呢？

耶鲁公开课 - 弥尔顿课程节选