並前往https://kblog.kaplan.com.hk/2021/02/03/%E3%80%8Akaplan%E8%80%83%E8%80%83%E4%BD%A0%E2%94%82-e-business-%E8%A3%A1%E9%9D%A2%EF%BC%8C%E9%99%A4%E4%BA%86-b2b-b2c-%EF%BC%8C%E4%BD%A0%E9%82%84%E7%9F%A5%E9%81%93-c2b%E3%80%81c2c%E3%80%81b2e/