３知识信息服务的营销过程推销专业服务与出售罐头食品或耐克鞋绝不能等量齐观。用户通常不像买普通商品那样随随便便地购买这种智力服务。雇人撰写报告、建议或者翻译名片、产品说明书的用户，做出决策时要考虑更多的因素。因此，信息人员通常必须经过２－３个阶段才能完成交 3 knowledge and information services marketing process marketing professional services and canned food or Nike shoes must not be the same amount. Users usually do not buy this kind of intelligence service casually as they would if they bought ordinary goods. Hire people to write reports, suggestions or translation of business cards, product manual users, when making decisions to consider more factors. Therefore, information workers usually have to go through 2-3 stages to complete the transaction