[] connected with a person's mind and the way in which it works心灵的；心理的；精神上的◆Supermarkets use a range of psychological tricks to make customers buy more.为了使顾客增加购物量，超级市场使用了许多心理技巧。◆$19.99 is an example of psychological pricing—people will be more willing to pay that than $20.19.99 元是心理定价的一个例子。与 20 元相比，人们更愿意支付 19.99 元。