That is why, on the one hand, clerk, a service engineer or even a heaver with his own business card and a head of the department without such if he or she does not interact with clients.

• 这就是为什么，一方面，你会看到一个小小的职员、一个维修工程师乃至一个搬运工都有他自己的名片，而另一方面，部门头头，如果他／她不和客户打交道的话，却没有名片。