Minimum wage system protects the low-grade laborers 'benefit. 最低工资制度保护的是低端劳动力的利益。
The development of performance pay system has experienced the post-rank salary system, structural wage system, technical grade wage system and job performance wage. 绩效工资制度的发展经历了职务等级工资制、结构工资制、技术等级工资制和岗位绩效工资制。