一种公司支持型的退休养老计划，公司从员工工资中扣除一部分薪酬作为供款，为员工存入专门的账户，有一些公司还会同时提供相应的供款。
A company-sponsored retirement plan where employees make deposits to an account. Contributions are deducted from employee's pay; some companies match those payments.
Remember, you always own 100% of contributions that you make.
