motiven.动机；目的；主题adj.发动的；运动的；动机的vt.促使motive and effect动机与效果motives mechanism激励机制motive power coal动力煤motive power unit动力单元motive of issuing发行动机motive peculiarity动态特性motives in writing创作动机motive stimulation动机激发motive information动机信息motive coefficient活跃系数