All right. So much for the introductory lectures which touch on aspects of the materials that we'll keep returning to.

好了，这就是导读课程了,我们讲到了我们接下来要讲的材料的内容。

耶鲁公开课 - 文学理论导论课程节选

As a returning student, what was your biggest reason for choosing UCLA?

作为一个重新深造的学生，让你选择UCLA的最大因素是什么？

重新开始学业 - SpeakingMax英语口语达人

Tajikistan ended its civil war becuase they were afraid they were returning to another Afghnastan Uzbekistan has striked for human rights record using as an excuse of the threat of the Islamic foundemantalism coming from Afghnastan.

因为害怕变成第二个阿富汗，塔吉克斯坦结束了内战,塔吉克斯坦结束了内战,乌兹别克斯坦利用人权作为借口,来阻止阿富汗的原教主义。

普林斯顿公开课 - 国际座谈会课程节选

Welcome back for those returning, welcome to CS50 for those joining us for the first time.

欢迎老同学，也欢迎新同学。

哈佛公开课 - 计算机科学课程节选