average income of nonagricultural workers

例句：

1. 1. The average income of non-agricultural workers in the city is significantly higher than that of rural areas.
   该市非农业工人的平均收入明显高于农村地区。
2. 2. The government has introduced policies to increase the average income of non-agricultural workers.
   政府已实施政策以提高非农业工人的平均收入。
3. 3. The average income of non-agricultural workers has been steadily increasing over the past decade.
   过去十年中，非农业工人的平均收入稳步增长。