问:几年前,劳动力市场上出现了一种新的用工形式,即用人单位自己不直接从市场上招用人员,而是根据生产经营的需要,通过与别的单位,特别是某些劳务输出公司签订协议,向其购买所需要人员,这类用人被称为劳务工。请问郑会长,这种现象的出现有什么意义? Q: A few years ago, a new form of employment emerged in the labor market, in which employers themselves did not directly hire personnel from the market, but according to the needs of production and operation, through cooperation with other units, especially certain services Output companies signed an agreement to purchase the necessary staff, such workers are referred to as labor. Will President Zheng, what is the significance of this phenomenon?