All right. With that by the way of background, let's go on to two -what we might call rhythmic devices here--two rhythmic devices.

以此为背景知识,我们来继续学习,两种节奏类型

耶鲁公开课 - 聆听音乐课程节选

They have different points of view,different situations, different theologies,different genres.

每一卷有不同的观点，不同的背景，不同的神学，不同的类型。

耶鲁公开课 - 新约课程节选