And then, if we have time at the end, we'll introduce one last topic, which is isoelectronic atoms and ions.

最后，如果有时间的话，我们将再介绍最后一个主题：,等电子原子与离子。

麻省理工公开课 - 化学原理课程节选

There's almost a danger here in listening to it too long or describing it in too much detail and the danger seems or what Milton thinks of as the peril seems to involve the problem of time.

听太久的话几乎都会有危险,描写过细的话,又会花费很多时间。

耶鲁公开课 - 弥尔顿课程节选

I don't have as heavy teaching loads, which makes it possible for me to write, as some colleagues at other schools where the teaching load is so heavy that it's very hard to get writing done.

教学任务不太重，这就使得我有时间进行写作，而另外一些大学,教学任务可能很重,那样的话，就没有时间去写作。

普林斯顿公开课 - 人性课程节选

If I have some time, I'll tell you later.

如果待会儿有时间的话,我给你们讲讲这个

耶鲁公开课 - 基础物理课程节选

So in sections where you have the opportunity to work in smaller environments with one of the teaching fellows, in office hours we have an opportunity to work one on one, hands-on in the computer lab or else we're on campus and really get personalized attention when it comes to diving into these problems.

因此在分组后,你们有机会与教员们一起在小房间里工作，在上机时间内我们有机会一对一授课，在实验室内亲身实践,不然的话我们在校园里探讨问题,会被很多人围观的。

哈佛公开课 - 计算机科学课程节选

And although I don't really have the fantasy that many of you will read this stuff twice, if you had the time to do it, that would be a wonderful thing to do.

并且尽管我不会真的认为,你们中的有些人会读两遍这些材料，如果你有时间去读的话，那将会是很棒的事去做。

耶鲁公开课 - 死亡课程节选

Well, if that's right, then should we say that the pervasiveness of death, ubiquitousness of death-- the thing that I was earlier suggesting was oppressive-- wouldn't it really be nice to have a death-free time or a death-free location or death-free activities?

如果是这样的话，那我们是不是应该说死亡的普遍性，死亡的无处不在性-,这些我之前所说的特征是不对的-,如果有死亡免疫时间或者死亡免疫地点,或者死亡免疫活动岂不是很好吗？

耶鲁公开课 - 死亡课程节选