Aha! So to study and grasp things about dead bodies, corpses, you must yourself be a dead body.

所以为了研究并掌握关于尸体的知识,你自己必须先是一具死尸

耶鲁公开课 - 死亡课程节选

Or take the fact that some doctors study dead bodies.

再比如一些医生研究尸体

耶鲁公开课 - 死亡课程节选