差异是我们在日常生活中司空见惯的现象。从自然界、人类社会到人的思维世界，从宏观世界到微观世界，处处可见差异，差异也同矛盾一样无处不在，无时不有。在哲学史上，辩证法大师黑格尔曾深入地研究过差异，马克思主义经典作家也极为重视对差异的探讨。马克思的《〈资本论〉 The difference is a phenomenon that we are accustomed to in our daily life. From nature, human society to the world of human thought, from the macrocosm to the microcosm, differences can be seen everywhere. Differences are as ubiquitous and contradictory as ever. In the history of philosophy, Hegel, the master of dialectics, has studied the differences in depth. The classic Marxist writers also paid great attention to the discussion of the differences. Marx’s “Theory of Capital”