《卡·马克思〈1848年至1850年的法兰西阶级斗争〉一书导言》(以下简称《导言》)是恩格斯晚年撰写的一篇坚持和发展无产阶级革命学说的重要论著。近来有人曲解这篇论著的基本观点,声称恩格斯对《共产党宣言》的“旧策略”进行了“重要修改”,“对马克思主义的整个理论体系进行 The Introduction to Marx’s Marxist Class Conflicts in France from 1848 to 1850 (hereinafter referred to as the “Introduction”) is an important treatise by Engels in his later years on the theory of insisting on and developing proletarian revolution. Recently, some people misinterpreted the basic idea of ​​this treatise and claimed that Engels made “important revisions” to the “old tactics” of the “Manifesto of the Communist Party,” "carried out the entire theoretical system of Marxism