income multiplier

例句：

1. 1.The government's new tax policy is designed to increase the income of low-income families.
   政府的新的税收政策旨在增加低收入家庭的收入。
2. 2. The company's revenue has been increasing steadily since its inception.
   自公司成立以来，其收入一直在稳步增长。
3. 3.The income multiplier effect is a powerful tool for economic development.
   收入倍增效应是经济发展的一种有力工具。