Kagan's reputation as a harsh grader is unfounded.
关于卡刚严苛评级的坏名声属无中生有。
耶鲁公开课 - 死亡课程节选
Just don't add stuff that's not there.
只要记住不要无中生有乱加力
耶鲁公开课 - 基础物理课程节选
应用推荐
模块上移
模块下移
不移动