When you get--this is Rituparna, counting the leaves on a tree-- you can estimate, from a sample, the population expected values.

如果你...像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值

耶鲁公开课 - 金融市场课程节选

You'd have to be an authorized participant, but if you become an institution you can get authorized to trade in the auction.

只有授权参与商才可以参加,如果你是一个商业机构,你可以获得授权参与交易

耶鲁公开课 - 金融市场课程节选

So what we'll have here is a trigonal planar case, and you can see that we only have three electrons that are set for bonding, so we'll add three hydrogens, and for b h 3, we'll get a stable structure here.

让电子劲量远离的时候，不用考虑它,这个例子是平面三角形，你可以看到，只有3个电子可以成键。

麻省理工公开课 - 化学原理课程节选

One is that there's four different colors and so you can see red, blue, yellow, green here - four different colors and that's all there are, there aren't more than four.

一是这些梯阶有四种不同颜色,你可以看到红 蓝 黄 绿,恰恰只有四种不同颜色,不多不少

耶鲁公开课 - 生物医学工程探索课程节选

The experiment you wouldn't think anybody would've done has been done, and women about--a very attractive man, over half of the women approached say, "Yeah, " I will " Very few agree to this , and nobody agrees to this??

这个前人想象不到的实验,最终还是完成了，而女性，面对那个很有魅力的男人，超过半数女人说，“我可以和你一起出去,只有少数答应去他家？

耶鲁公开课 - 心理学导论课程节选

If you have a brain, and a body, and a metabolism that wants calories, it wants fat, it wants sugar, it wants a broad variety of food so you can survive, that would be good if you lived in certain parts of the world today.

如果你有大脑,有身体,有新陈代谢,这些都需要能量,就需要脂肪,需要糖,需要极其多样食物,你才能活下来,世界上只有部分地区可以保证这些

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

There are festivals held in each city just for its own citizens and my guess is that when you could do that, when you felt that you could recruit a full colony from your fellow citizens in Corinth, let us say, that's what you did.

有些城市的节日只有当地居民才参与,当你觉得时候到了,可以从科林斯居民中,招满去殖民地的人,这就是你要做的

耶鲁公开课 - 古希腊历史简介课程节选

Musical notation is a particularly Western phenomenon and when you stop and think about it only we in the West, and by West what I mean is the United States and Canada and Western Europe and Russia, parts of South America, only we use musical notation and we use it principally for our high art music.

音乐记谱法是西方所特有的,你可以停下好好想想,只有我们这些土生土长的西方人,所谓西方,我指的是美国,加拿大,还有西欧和俄罗斯,包括一部分南美国家,只有我们使用音乐记谱法,并且我们把音乐记谱法应用于高雅音乐

耶鲁公开课 - 聆听音乐课程节选

When we have just a single bond in them molecule, you have all the free rotation you want, you can just spin it around, there's nothing keeping it in place.

当我们在分子力只有一个单键时，你可以随意旋转，你可以让它转起来，没有什么东西能固定住它。

麻省理工公开课 - 化学原理课程节选

You really need that because if you have only one copy of something, you don't have a backup; so, you can store the one copy separately.

你真的很需要这项发明,因为要是你只有一份的话，你就没有备份;,这样的话，你就可以将副本单独留存。

耶鲁公开课 - 金融市场课程节选

Remember, this thing only runs for sixty days and you could compute your sixty-day return, but people like to compare annual returns-- once again, a tradition we have.

注意,这个债券期限只有60天,当然你可以计算60天的收益率,但是人们往往喜欢用年收益率进行比较,这也是一种传统

耶鲁公开课 - 金融市场课程节选

So if we go to the ground state, what you see is we're at that lowest energy level, and we only have one possibility for an orbital, because when n equals 1, that's all we can do.

如果我们在基态上，你可以看到，我们在能量最低的态上，只有一种，可能的轨道，因为n等于1，只有这种可能。

麻省理工公开课 - 化学原理课程节选