每年新生入学,哈佛大学都会对他们进行一次特殊的道德教育课。课程伊始,教授问学生们这样一个问题:一火车在铁轨上行驶着,刹车突然失灵,方向盘有用,火车前方有五个人,距离五人的3米处有一火车分轨,分轨前面也有一人在工作,他们都全然不知自己所面临的危险。倘若 Every year new students, Harvard University will conduct a special moral education for them. At the beginning of the course, the professor asked the students the question of a train running on a track, a sudden brake failure, a steering wheel, five people in front of the train, a train at a distance of three meters from five people, and a train in front of the track At work, they are totally ignorant of the danger they face. if