And the books cannot be placed on more than one device, so they are not easy to share.

VOA: special.2009.09.03

Because I stand up here and I talk about the one or more than one thing I know about and so it's easy to infer that I must know a lot but in fact by the time this semester ends I will have tell you told you everything I know.

因为我站在讲台上,我给你们讲我知道的知识,所以你们很轻易就推断出我一定懂很多,但其实到了学期末，我要告诉你们,我会的都已经教给你们了。

耶鲁公开课 - 心理学导论课程节选