若想提升銷售能力，你得聚焦於你如何思考（心態）、你需要了解的知識（行動）以及你需要做的事情（系統）。同時升級這3個層面，就能大幅提升你個人的銷售表現。To become better at selling anything, focus on how you think (mindsets), what you need to know (activities), and what you need to do (systems). Upgrade all three of these areas at once and you can significantly enhance your personal sales performance. --Hosting provided by SoundOn