Along with academic accumulation and the influence of kantian philosophy , especially with the study of savigny , transfer was interprets to juristic act of real right ; at the same time the juristic act of jus in persona was interprets to motive . through those explanations the principle of abstraction was systematized and rationalized . but the author thinks that abstraction only is logical 德国法继承了罗马法上的这种发展趋势,在长期的学术积累和康德哲学的影响下,特别是经过萨维尼的努力,给付被解释成为一个物权契约,并通过将债的关系解释为给付目的的目的? ?动机,实现了物权行为无因性的体系化和逻辑上的合理性说明。
For example , one might suggest , in a kantian vein , that the difference between these two cases lies in the fact that in the footbridge dilemma one literally uses a fellow human being as a means to some independent end , whereas in the trolley dilemma the unfortunate person just happens to be in the way 一种经典的解释是，在“电车难题”中，牺牲掉的那个人是不幸碰巧站在另一条轨道上，并没有被直接用来拯救另五个人；而在“天桥难题”中，胖子是直接被用来拯救五个人的，因此直接利用一个人的生命来拯救他人，是不道德的。
For example , one might suggest , in a kantian vein , that the difference between these two cases lies in the fact that in the footbridge dilemma one literally uses a fellow human being as a means to some independent end , whereas in the trolley dilemma the unfortunate person just happens to be in the way 那么我们再来看一个“电车难题”的变型：假设站着一个人的那条轨道的另一端是跟另一条轨道相连的，即形成一个回路，如果那上面没有这个人，电车会从这条轨道绕回来到另一条轨道压死五个人。
