I'm going to talk a little bit about its publishing history, its compositional history, actually, at the end of my two lectures on the novel.

我打算在讲这部小说的最后两次课上，略微谈一点关于这部小说的出版历史，实际上也是创作历史。

耶鲁公开课 - 1945年后的美国小说课程节选

So it'll be a time once or twice a week where they will be in their office.

所以，他们大概每周有一两次会在办公室里。

与教授的面谈 - SpeakingMax英语口语达人

It was affected by the major American depressions of 1837, 1857, but not as much as the North.

棉花产量只在两次美国经济大萧条时期,1837年57年受到影响,但损失远不及北方

耶鲁公开课 - 美国内战与重建课程节选

Okay. This is only the first mention of Galileo in the poem and, as you will see if you're careful in looking at your footnotes in the Hughes, appears two other times within the later similes in the poem, always in a simile.

这只是此诗中第一次提到伽利略，如果认真读的话，会发现更多,特别是在休斯版的脚注里，在后面的比喻里伽利略又出现了两次，他总是出现了比喻里。

耶鲁公开课 - 弥尔顿课程节选

But I can add to this some number, like 96, that'll still have the property that if you take two derivatives, you're going to get the same acceleration.

但是我可以在后面加上某个数,比如96,经过两次求导你仍会得到,同样的加速度

耶鲁公开课 - 基础物理课程节选

During World War One and Two, our men were out dying in Europe and people voted for someone who said, let's raise the taxes on the rich, someone's profiting from this war now.

这两次世界大战期间，我们的很多同胞战死在欧洲,人们拥护那些要求提高富人缴税水平的人，因为有的富人，是发战争财的。

耶鲁公开课 - 金融市场课程节选

Now, I've talked about laughter on two separate occasions and on each of the occasions when I talked in front of a large group like this somebody came up to me afterwards and said, "But I can."

我之前也有两次提到过笑,第一次,当我在这么一大群人面前讲完后,都会有人上来跟我说，“我可以”

耶鲁公开课 - 心理学导论课程节选

Ok, well... I actually, I've only been on two dates on "OkCupid".

好吧，其实我也只是在OkCupid上相过两次亲。

体验男女初次会面 - SpeakingMax英语口语达人

I'll be sitting here lecturing twice a week, 11:20 this time, 10:30 to 11:20.

我每周会在这里讲两次课，上午的10：30到。

耶鲁公开课 - 死亡课程节选

What's happened actually if we base it in the last 25 years since the early '80s We've just had two recessions and they've been very mild by historical standards and...two--now three long expansions in between.

实际上是什么情况呢,80年代初期以来，这25年当中,我们只经历过两次经济衰退,而且在历史上算是相对轻微的,其间则是两，三次长时间的经济增长。

斯坦福公开课 - 经济学课程节选

This word for ark, tevah, occurs exactly twice: tevah here, and in the story of Noah's ark. Noah's ark is a tevah.

方舟这个词，tevah，仅出现过两次：,这里，还在诺亚方舟中，诺亚的方舟也是。

耶鲁公开课 - 旧约导论课程节选

You can add something else to the answer without invalidating it, and that is anything with one power of t in it, because if you take one derivative it'll survive, but if you take two derivatives, it'll get wiped out.

你可以往答案后面加上其它东西,而且不影响结果,也就是任何t的一次项,因为你求一次导数之后它还在,但如果你求两次导数,这一项就不存在了

耶鲁公开课 - 基础物理课程节选

I would say, okay, this guy wants me to find a function which reduces to the number a when I take two derivatives, and I know somewhere here, this result, which says that when I take a derivative, I lose a power of t.

出题者想要我找出一个函数,它在经过两次求导后得到数字a,我知道这里的某个地方,这个结论告诉我,我每求一次导,t就降一次幂

耶鲁公开课 - 基础物理课程节选

The third REIT boom was in the 1990s and I think this third REIT boom is different from the others because it didn't arise from any government regulation change.

第三次发展浪潮在20世纪90年代,我认为第三次有别于前两次,因为这次不是源自政府监管的变革

耶鲁公开课 - 金融市场课程节选