现在，总结一下，在今天的课上，我们回顾了英语作为世界第一语言的流行背后的一些原因或因素。

Now, to sum up, in today's lecture, we have reviewed some of the reasons or factors that lie behind the popular use of English as the number one world language.

youdao

但特别是当我们回顾美国动荡的过去时，今天的社会指数很难表明一个黑暗和恶化的社会环境。

But particularly when viewed against America's turbulent past, today's social indices hardly suggest a dark and deteriorating social environment.

youdao

首先，我们回顾了大量的教育研究，这些研究比较了单性别学校学生和男女同校学生的学业成绩。

First, we reviewed the extensive educational research that has compared academic outcomes in students attending single-sex versus coeducational schools.

youdao

So what we'll talk about next week, we'll revisit it again in lesson 7, lesson 17 and lesson 24.

所以我们下周所讲的内容，我们将在第7课，第17课和第24课里，再回顾一遍。

哈佛公开课 - 幸福课课程节选

So yet once more -- and I promise this will be one of the last times that we look back at Milton's mask - but yet once more, let's look at Comus.

因此我们要再一次--我保证,这将是我们最后一次回顾弥尔顿所写的这出面具戏,不管怎么着，让我们再次回顾《科玛斯》

耶鲁公开课 - 弥尔顿课程节选

So this is a nice little search-- sorry, a nice little sort algorithm . And in fact, it's relying on something that we're going to come back to, called the loop invariant.

恩，这是一个很棒的小搜索，抱歉，和很棒的小排序算法，事实上，它依赖于一些我们要回顾的东西,被称作循环不变量。

麻省理工公开课 - 计算机科学及编程导论课程节选