管理员工的晋升和降级过程。设计一个系统来提升或降低员工的等级或职位。利用横向晋升、纵向晋升、干式晋升和非自愿/自愿降级等技术。 Administering the process of promoting and demoting employees. Design a system for advancing or demoting an employee's rank or position. Leverage techniques such as horizontal promotion, vertical promotion, dry promotion, and involuntary/voluntary demotion.