效用( Value) 效用是消费者对产品满足其需要的整体能 力的评价 Value is the consumer's estimate of the products overall capacity to satisfy his or her needs 消费者通常根据这种对产品价值的主观 评价和要支付的费用来作出购买决定。效用（Value) 效用是消费者对产品满足其需要的整体能 力的评价。 Value is the consumer’s estimate of the product’s overall capacity to satisfy his or her needs. 消费者通常根据这种对产品价值的主观 评价和要支付的费用来作出购买决定