分工演进和经济发展必然使一国经济逐渐走向开放,世界各国经济逐渐走向融合,这是亚当.斯密的经典论断。马克思也曾经预言到世界经济一体化的趋势:“资产阶级,由于开拓了世界市场,使一切国家的生产与消费都成为世界性的了。……过去那种地方和民族方面的自给自足和闭关自守状态, The evolution of division of labor and economic development will inevitably make the economy of a country gradually open to the outside world and the economies of various countries in the world will gradually converge. This is the classic conclusion of Adam Smith. Marx also predicted the trend of world economic integration: "The bourgeoisie has become world-wide in the production and consumption of all countries by opening up the world market .... In the past, the local and ethnic self-sufficiency and self-protection status,