我们已越来越认识到 ,制度的变迁在政治文明以及整个人类社会的发展中具有十分重要的意义。比较遗憾的是 ,过去我们在这方面的研究不仅比较少 ,而且视野比较狭窄 ,很难使我们联想到社会主义曾经出现过的制度僵化之缘由。可喜的是 ,近年来 ,在政治文明的研究方面 ,特别是对“制? We have come to realize more and more that institutional changes are of great importance in the development of political civilization and of humanity as a whole. What is more regrettable is that in the past we did not only study less in this area but also had a narrower field of vision. It is very difficult to recall the causes of the rigid system in socialism. The good news is that in recent years, in the study of political civilization, especially on the "system?