提上来，普林斯顿的这个校规有点特别:不让学生使用学校提供以外的tutoring。

这个似乎很多大学没这规定。经常问以前学过这门课的朋友，technically可认为是unpaied tutoring？

2.4.5 Tutoring and Online Solutions

An undergraduate is subject to disciplinary action if that student makes use of any paid or unpaid tutor, tutoring service, A.I. tutoring bot, or facility other than that regularly authorized by the Office of the Dean of the College. Also, no undergraduate may accept compensation for tutoring in Princeton courses except as authorized by the Office of the Dean of the College. Graduate students should consult the Office of the Dean of the Graduate School.