index of employment cost

例句：

1. 1. The index of employment cost has beenincreasing steadily over the past few years.
   就业成本指数在过去几年里稳步上升。
2. 2. Thegovernment is looking into ways to reduce theindex of employment cost.
   政府正在研究降低就业成本指数的方法。
3. 3. The index of employmentcost is a key factor in determining theeconomic growth rate.
   就业成本指数是决定经济增长率的关键因素。