Under the system of income maintenance, before or after people's salary meets the need of their life, the Labour supply caused by raising tax rate can be different.

收入维持制度下，在人们的工资性所得达到生活有保障的水平前后，提高税率引起的劳动供给曲线的变化也会不同。

youdao

Maintenance fees-usually 22% of a program's price per year-have become an ever bigger part of firms' technology budgets and of software vendors' income.

维护费——通常是每年22%的软件价格——已经成为公司技术预算和软体开发商收入中更庞大的组成部分。

youdao

Maintenance contracts generally contribute around half of the revenues of the big lift companies, providing steady income even when new orders head for the basement.

维修合同通常给大型电梯公司贡献了半数的收入，即使是在没什么新订单的时候，它也能提供稳定的收入。

youdao

The Department of Health and Human Services just announced Social Services and Income Maintenance Benefits Enrollment Coordination Grants to support benefits enrollment outreach and assistance.

WHITEHOUSE: Faith-based and Neighborhood Partnerships Blog

The rental income pays for building maintenance and new projects.

FORBES: Social REITS To Re-house Slums & Regenerate Cities

This measure, an obsession of real estate research firm Green Street Advisors (which provides us with much of our REIT data), is net income plus depreciation minus maintenance-level capital expenditures.

FORBES: Good Neighbors