尽管不是所有做销售的都可以做老板，但是每一个企业老板都是高级销售。——（附上MBA全球教程原文）
Each year, thousands of openings appear in the ranks of supervision and management. Because salespeople work in positions of high visibility, they are in an excellent position to be chosen for advancement to positions of greater responsibility. The top executies of many of today's companies began their careers in the ranks of the sales force.
Of course, not all salespeople can become presidents of large corporations, but in the middle-management ranks there are numerous interesting and high-paying positions in which experience in selling is a prime requisite for advancement.
Selling skills contribute in a major way to four groups of knowledge workers who usually do not consider themselves salespeople:customer service representatives, professionals (accountants, counsultants, lawyers, etc), entrepreneurs, and managerial personnel.
