It is a little bit difficult in the sense that to have gotten into Princeton, one almost certainly has had to know something about something. Right?

之所以比较困难是因为,一个人如果想要进入普林斯顿大学，他一定,对某个领域有一定了解？

普林斯顿公开课 - 人性课程节选

to make sure that you speak with someone who is very knowledgeable about the prices of certain things.

一定要跟某些很了解价格行情的人谈谈。

关于购买艺术品 - SpeakingMax英语口语达人

When one thinks about changing the health of a population diet has to be considered one of the possible places to intervene.

如果想要改变一群人的健康状况,饮食一定会是着手点之一

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You should really do business with so and so, who has a natural match up with you.

你一定要和这种与你,合得来的人做生意

耶鲁公开课 - 金融市场课程节选

So you'd have a patron who would be higher class, richer, more powerful, have some political power, and you would be loyal to your patron, and your patron would then represent you in court, try to get you jobs, try to get you more business, do all the kinds of things that patrons do for their clients.

要找个比你社会地位高，比你有钱有权，有一定政治影响力的庇护人，你也要忠诚于他，庇护人会在法庭上代表你，帮你找工作，帮你介绍生意，各种庇护人为被庇护人做的事。

耶鲁公开课 - 新约课程节选

So that explains probably most of the confusion here and you just want to be careful when you're reading the problems that that's what you read correctly. I think 4 everyone would now get the clicker question correct.

这可能解释了大部分人的混淆之处,你们读题目的时候一定要仔细,我相信现在每个人都能回答正确了,第三激发态，n等于。

麻省理工公开课 - 化学原理课程节选

Rather than thinking of a teacher necessarily, one can think of an individual acts more like a mentor or coach in certain settings.

不必要一定要有个老师，你可以想成一个人在某个领域,作为指导者或是教练。

麻省理工公开课 - 媒体、教育、市场课程节选