行为学指出:动机是产生行为的直接原因,行为是人们为了实现欲望,达到目标而付诸的一切动作。一个人要做善事,可以卖苦力,把劳动所得捐给非洲 Behaviour points out that motivation is the direct cause of behavior, and that behavior is all actions that people put in order to achieve their desire and achieve their goals. One person must do good deeds and can do hard labor to donate his labor income to Africa.