So, the rise and fall of empires is obviously a theme of this course.

因此,帝国的兴衰,显然是这门课关注的主题之一

耶鲁公开课 - 欧洲文明课程节选

Well, you can see the pink line shows the employment in Los Angeles, and indeed, it did move around corresponding to the booms and busts in the Los Angeles market but not so dramatically.

你可以看到那条粉线,表示了洛杉矶的就业情况,实际上,它紧随着洛杉矶市场,兴衰变动,只不过没有那么显著

耶鲁公开课 - 金融市场课程节选