It sounds like you're discussing the lectures and the readings and you're really not.The section discussions are a complement to the lectures.

因为这听上去想是你们要讨论我讲的课和那些阅读材料,但却不是那样，讨论课是对我讲课的一个补充。

耶鲁公开课 - 旧约导论课程节选

And I think there is all sorts of different ways to learn that outside the classroom that complement the classroom. -Yes.

我认为，从许多事情中，我们都会了解到,正是课外活动,丰富了课内的学业。

普林斯顿公开课 - 人性课程节选