31.7 million retirees had participated in the basic pension insurance program.
3170万离退休人员参加了基本养老保险。
原声例句
韩刚：三级笔译汉译英必背词组表达集锦
Basic pension insurance for urban workers was put under unified planning at the provincial level.
城镇职工基本养老保险实现省级统筹。
新概念英语.英音版.第四册(译文)
We'll assume that you have sorted out the basics--like mortgages, pensions, insurance and access to sufficient cash reserves.
我们假定你已把基本情况弄清楚了，如抵押贷款、养老金、保险金和动用现金储备的机会。
英语百科
Pension insurance contract
Pension insurance contract is an insurance contract that specifies pension plan contributions to an insurance undertaking in exchange for which the pension plan benefits will be paid when the members reach a specified retirement age or on earlier exit of members from the plan.