And in terms of equations that we use, it's sometimes easier to plug in the fact, since momentum is equal to mass times velocity.

在我们使用方程这方面，事实上有时是很容易代入的，因为动量等于质量乘以速度。

麻省理工公开课 - 化学原理课程节选

And so Ialways, sort of, I was a bit excited that I'd bump into her at some point,

所以我也会很激动，因为有时会碰到她，

追忆艾米 - SpeakingMax英语口语达人

Sometimes we can't help but slow down because everybody is slowed down in front of us, we have no choice.

有时我们不得不慢下来因为前方,每个人都已减速，我们别无选择。

耶鲁公开课 - 政治哲学导论课程节选

Now in fairness, that particular problem kind of happened because so many companies ended up running so much code for many more years than the programmers actually thought they would be running it, but the idea is still the same.

公平起见，那个问题有时会发生,因为实际上，很多企业在这么多年里运行了,比程序员多得多的代码,虽然他们将运行它，但那个构想还是一样的。

哈佛公开课 - 计算机科学课程节选

People sometimes say, since it's impossible to picture being dead, it's impossible to picture being dead--, That is to say, it's impossible to picture your own being dead.

人们有时说，因为死亡难以想象，难以想象也就是说，无法想象你自己的死亡。

耶鲁公开课 - 死亡课程节选

Fine. But there are reasons to study development even if you are not interested in children because sometimes developmental studies and developmental data and developmental science can inform questions about adults.

没关系,但即使你对儿童不感兴趣,却依然有很多原因促使你去研究发展,因为发展的研究,数据以及科学,有时可以解释成人的问题

耶鲁公开课 - 心理学导论课程节选

Because sometimes they are difficult.

因为有时名字会很复杂。

I'm good at 实战 - SpeakingMax英语口语达人

Or there may be positions that I mention, but I don't develop, because I'm not perhaps sympathetic to them, and you might find somebody who is sympathetic to them, developing them in the readings.

或者有时我提到了，但我不展开讲，因为我或许和那些内容无法产生共鸣，而你在阅读中可能会发现,有些人可以与它们产生共鸣，并在书中对它们进行展开讨论。

耶鲁公开课 - 死亡课程节选

Well partly this is just for fun-- this is what computer people sometimes do, intentionally or unintentionally but as also will see a really nice way to culminate the semester and frankly carve out a 10 hour block where you can bite off your final project's implementation surrounded by friends and the course's staff.

一部分只是因为好玩-,这是懂电脑的人有时会这么做，不管有没有意义,还有一部分原因是因为,以这种方式达到学期的高潮,并在朋友和这门课程教师的关注下,抽出10小时的时间完成最终的项目安装,是一件多么美妙的事啊。

哈佛公开课 - 计算机科学课程节选

People sometimes claim that that's the case and, because of that, the right thing to do is to not think about it.

人们有时就是这么认为，而且正因为如此，正确的做法是不去想。

耶鲁公开课 - 死亡课程节选

Because sometimes the value of a combination is different then the value you would get by just thinking about each one of the parts in isolation and then adding them up.

因为有时一个组合的价值会不同,那么你得到的价值是只单独考虑每一部分,然后把它们相加所得。

耶鲁公开课 - 死亡课程节选