So, hopefully, if you were to go back and look you could see that this is, in fact, copper.

因此，我希望大家如果回去再看一遍,这个题目的话，能够知道这是铜原子。

麻省理工公开课 - 化学原理课程节选

"Dificil, eh?" means " Difficult, isn't it?") Alright. I have to see this one more time.

很难不笑，不是吗）,我要再看一遍。

哈佛公开课 - 幸福课课程节选

I'll get rid of Fibonacci here, we don't want to bother looking at that again.

我在这里会注释掉Fibonacci数，我们不想再看一遍。

麻省理工公开课 - 计算机科学及编程导论课程节选