但20世纪30年代建立起来的革命制度党的组织体系基础却从未发生变化，构成了墨西哥发展和成功最重要也最困难的障碍。
But the foundations of the old PRI-corporativist system created in the 1930’s remain untouched, and represent the main and most formidable obstacles to Mexico’s growth and success.