So sometimes the extra solution is very interesting and you should always listen to the mathematics when you get extra solutions.

所以有时候这些增根的意义很耐人寻味,当你解出增根的时候,别忘了想一想它的数学含义

耶鲁公开课 - 基础物理课程节选

And so, and so those, those people sometimes have a harder time, it seems.

所以，这些，这些人有时候就比较有困难了，似乎是这样。

对于赞助入学的看法 - SpeakingMax英语口语达人

All right. So, let's look at this in another way, sometimes it's hard to picture these waves combining.

好的，让我们从另外一个方面来看，有时候很难想象这些波函数的组合。

麻省理工公开课 - 化学原理课程节选

Now, it's pretty--Philosophers sometimes call these things qualia, because of the notion of the qualitative aspects of things.

哲学家们,有时候把这些称作,感受性,因为他们认为,事物存在定性方面的概念

耶鲁公开课 - 死亡课程节选

Student: Well, sometimes he brings up these classic figures that, he argues, would have the same interest.

有时候他提及这些经典的形象，他认为，会有同样的兴趣。

耶鲁公开课 - 1945年后的美国小说课程节选

I don't hear most of it. But there are moments, and they're moments that give me pleasure when I can say, "Oh,yeah. That's what he's doing there."

我也只能听出一小部分，但是有时候，这些时候总是让我激动，我会发现，哦对，这正是作曲家在做的“

耶鲁公开课 - 聆听音乐课程节选

these are very large places and sometimes you can get lost.

这些地方很大，你有时候会迷路的。

精彩音乐会 - SpeakingMax英语口语达人

Sometimes people talk about, in fact we'll be reading about this, out-of-body experiences.

有时候人们会讨论,我们会读到这些内容,关于灵魂出窍的事例

耶鲁公开课 - 死亡课程节选