motives/ˈmoʊ.t̬ɪv/形容词（引起）运动的；发动的；原动的/ˈmoʊ.t̬ɪv/名词动机；（行动的）缘由；目的Why would she have killed him? She has no motive.为什么她会杀害他？她没有动机。想跟读，去练习
