income简单

U.S. customers historically tipped people they assumed were earning most of their income via tips, such as restaurant servers earning less than the minimum wage.

历史上，美国顾客给小费的对象，是那些他们认为大部分收入来自小费的人，比如收入低于最低工资的餐厅服务员。

Tipping has always been a vital source of income for workers in historically tipped services, like restaurants, where the tipped minimum wage can be as low as US $2.13 an hour.

对于传统上收小费的服务行业（如餐厅）的员工来说，小费一直是重要的收入来源，在这些行业中，领取小费员工的最低工资可低至每小时2.13美元。

Tip creep and tipflation are now further supplementing the income of many low-wage service workers.

小费蔓延和小费通胀如今正进一步补贴许多低薪服务人员的收入。

contribute less to workers’ income.

对员工收入的贡献更小。

the desire for income increase.

对增加收入的渴望。

enrich income sources.

丰富收入来源。