At times we have whole books that repeat or go over the same material.

有时候，有一整本书都在重复同样的内容。

耶鲁公开课 - 旧约导论课程节选

Do we offer what we dub packer editions of problem sets which extensively cover the same material but with a more technical sophistication, with more detail, and these are simply options that students in this course can elect as per the syllabus.

我们提供涵盖同样内容,但具有更多技术性细节的,我们称之为习题包，其中有更详细的信息,这些只是按照教学大纲的要求让同学们可以自主选择。

哈佛公开课 - 计算机科学课程节选

By the same token the cult, Kaufman says, has no automatic or material power.

出于同样的原因，祭仪本身不能产生能量。

耶鲁公开课 - 旧约导论课程节选