We don't quite clearly understand exactly what that means and who and exactly when.

实际上我们并不十分清楚这学派意味着什么,学派里的谁写的这些书，什么时候写的。

耶鲁公开课 - 旧约导论课程节选

Again, you might have a discussion about that over which is the easier one.

现在你们又可以讨论一下,他俩到底谁的书读起来更简单些。

耶鲁公开课 - 政治哲学导论课程节选

Right, who wrote this text according to traditional beliefs?

是谁根据古老的信仰写了这本书？

耶鲁公开课 - 旧约导论课程节选