不少学校都有类似的, 可以选修。 哥大是规定的，让所有新生上小班，造成老师良莠不齐

P: 两学期各占两课时，可以选修，学生不多，名教授上课带讨论班：

https://humstudies.princeton.edu/overviews/hum-sequence/

https://humstudies.princeton.edu/humanities-sequence-faqs/

以前还有一个浓缩到一学期一课时在秋天的， little hum :The Classical Roots of Western Literature

Y: directed studies, 两学期选修，需要申请;

https://directedstudies.yale.edu/

哥大所有学生上造成老师成问题: Barely over 25 percent of Core Curriculum is taught by faculty

https://www.columbiaspectator.com/archives/lead-2016-05-05-unfunded-mandate-columbia-college-arts-and-sciences-and-bollinger-era.html

https://www.columbiaspectator.com/spectrum/2022/01/28/the-10-personalities-in-every-core-class/