annuity payable out of a property

例句：

1. 1. The company provides a monthly annuity to its employees.
   公司为员工提供每月的养老金。
2. 2.The annuity payment is based on the employee's salary and years of service.
   养老金支付基于员工的薪水和工龄。
3. 3.The annuity income is tax-free, which makes it a popular choice for retirees.
   养老金收入免税，这使得它成为退休人员的一个热门选择。