Some of this--we tend to think,as modern people, that a written text is actually the best thing.

我们现代人通常会认为，文字资料是最可靠的。

耶鲁公开课 - 新约课程节选

In other words, in a way it's a disputed text and it is not written by Aristotle, but it's also a foundational text.

所以，诗学是一个充满争议的著作,它并不是由亚里士多德创作的，却非常重要。

耶鲁公开课 - 文学理论导论课程节选

It's not much fun to read 20 pages of my verbal text written.

阅读20页的我的课堂讲义,并不是那么有趣。

哈佛公开课 - 计算机科学课程节选