System of endowment insurance的用法和样例：
例句
- Thus, these expropriated peasants need more to rely on the social pension security system than other peasants.
所以说，被征地农民比其他农民群体更需要依赖社会养老保险制度。 - We should improve the systems of unemployment insurance and subsistence allowances for urban residents.
健全失业保险制度和城市居民最低生活保障制度。
