consumer、customer、client 有何区别？ - 知乎 client：意为客户，这个只表示银行，广告或律师之类的客户，和另两个很好区分。 对于customer和consumer，我上marketing的课的时候区分过这两个定义。 customer behavior：a broad term that covers individual consumers who buy goods and services for their own use and organizational buyers who purchase business products consumer behavior：the process