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

Let's go back to high school for a moment, just by way of background.

让我们回到高中，去寻找一些相关背景。

麻省理工公开课 - 固态化学导论课程节选

By the way, if we go back to this, another big part of disease--chronic disease that's related to diet, is the physical activity part of the equation.

顺便一说 我们回过去看,大多数疾病,与饮食有关的慢性疾病,与一个关于肢体运动的方程式有关

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Because a lot of these ships go blub on the way back, or are taken by pirates and stuff like that, they say, "We want to insure this ship.

因为有很多船只在回程的时候会损坏,或是被海盗之类的匪徒抢劫,他们说,"我们想为这船提供保险

耶鲁公开课 - 欧洲文明课程节选

They had to go from Italy, because much of Italy was controlled by Spain, through the Alps all the way up along the Rhine and finally get into the Dutch Republic.

他们不得不穿过意大利,因为当时许多意大利地区正由西班牙控制,他们从阿尔卑斯山一路,沿着莱茵河,最终深入荷兰共和国腹地

耶鲁公开课 - 欧洲文明课程节选