skill of labour

例句：

1. 1.To improve productivity, companies need to invest in training for their skilled labor force.
   为了提高生产力，公司需要投资于对其熟练劳动力的培训。
2. 2. The skilled workers are responsible for the quality control of the products.
   熟练工人负责产品质量的控制。
3. 3. The government is promoting education and training programs to enhance the skills of its skilled labor force.
   政府正在推广教育和培训项目，以增强其熟练劳动力的技能。