source of income

例句：

1. 1. The company's main source ofincome comes from its sales of electronics.
   这家公司的主要收入来源是其电子产品的销售。
2. 2. Thenew policy is expected to be a significantsource of revenue for the government.
   新政策预计将为政府带来显著的收入。
3. 3. The entrepreneur hasdiversified his sources of income to reducehis financial risk.
   这位企业家已经多元化了他的收入来源，以减少财务风险。