lproduct benefit 产品的好处 ━what makes the consumer like the product 什麽令消费者喜欢该产品lbrand personality/image 品牌个性/形象━what makes the consumer trust the product 什麽令消费者信任该产品lconsumer needs/beliefs 消费者需求/信念 ━what makes the consumer value the product 什麽令消费者高度评价该产品