During this phase he may use generic search terms related to the product or services sought in order to form a "short list" of potential providers. 此阶段用产品或服务相关通用搜索词搜索，形成提供商候选名单。
Advertising tries to convince us that product can fulfill us and meet our deepest human needs and that the value of a person depends upon the products used. 广告试图使我们相信，产品使我们充实，可以满足我们人类最深层的需求，一个人的价值取决于所用产品的价值。
