If you tried to do one alone it would not work, so we decided to divide it up imperfectly and there may be some repetition between our two courses.

非要分开单独来学的话是不可行的,所以我们只能退而求其次,分割后的两门课可能会有重复的部分

耶鲁公开课 - 金融市场课程节选