So the paper length-- there are two papers required, and there is a final exam the paper length is designed to be quite large.

所以论文的长度-我们要写两篇论文，还有一个期末考试,论文的篇幅要较长。

耶鲁公开课 - 1945年后的美国小说课程节选

Good question. I think part of the reason for more blacks low reading skills is, to do with the history of being heavy slaves.

好问题,我认为黑人阅读能力差的部分原因是,他们经历了较长时间的奴役史。

麻省理工公开课 - 媒体、教育、市场课程节选