average wage index

例句：

1. 1.The average wage index in the city has increased significantly over the past year.
   过去一年，该市的平均工资指数显著提高。
2. 2.The government is working to improve the average wage index for workers.
   政府正在努力提高工人的平均工资指数。
3. 3. The rise in the average wage index is a sign of economic growth.
   平均工资指数的上升是经济增长的标志。