这一概念是由罗德岛州布朗大学的一群学生创造的，因为他们的一个朋友抱怨说早上起来很累，考试发挥得很差。

The concept was invented by a group of students at Brown University in Rhode Island after a friend complained of waking up tired and performing poorly on a test.

youdao

云计算，就是公司和个人在线管理他们的数据，这一概念因为成本很低且升级简单被迅速接受。

"Cloud" computing, where companies and individuals trust their data to services run remotely over the web, is being rapidly adopted as it offers cheaper services that are easy to update.

youdao

我主要讨论这一概念是因为我发现许多人没能掌握序列图的根本灵活性，而分化成直觉和形态使用这两个极端。

I have focused on this concept because I've found that many people fail to grasp the ultimate flexibility of sequence diagrams, and become polarized in their perception and use of the form.

youdao

A happy marriage for Milton was founded on a couple of like-minded opinions and values, - their ability to converse with one another -- and so this is why the notion of divorce for reasons of incompatibility is so important to Milton, because compatibility in marriage is the very essence of marriage.

对弥尔顿来说，一段幸福的婚姻是建立在,有着相似观点和价值基础的情侣间的，他们与彼此交谈的能力-,因此这就是为什么对弥尔顿来说离婚这一概念,无论如何都十分重要，因为和谐共处,是婚姻的精髓。

耶鲁公开课 - 弥尔顿课程节选