我国的社会保障制度必须立足于建设长效机制。 20多年来国外社保改革的一个重要目标正是为了探索其可持续性,为了寻找其长效机制的实现途径。其中, 有些国家积累了一些宝贵经验,有些国家也有过惨痛教训。那么,我们应该从哪些方面吸取它们的经验教 China's social security system must be based on the construction of a long-term mechanism. An important goal of social security reform abroad in the past two decades is precisely to explore its sustainability and to find ways to realize its long-term mechanism. Among them, some countries have accumulated some valuable experience, some countries have also had a painful lesson. Then, from which aspects should we learn from their experience