人们之所以对商品有需求,是因为商品具有满足人的欲望和需求的能力。其中欲望指的就是需要,就是一种缺乏的感觉和求得满足的愿望。马斯洛把人的欲望区分为五个层次:生理需要、安全需要、社交需要、受尊敬的需要和自我实现的需要。需求指的是 The reason why people have demand for goods is that they have the ability to satisfy human desires and needs. Desire, of which desire is needed, is a lack of feeling and desire to be satisfied. Maslow divides human desires into five levels: physical needs, security needs, social needs, esteemed needs, and self-fulfilling needs. Demand refers to it