多样性(diversity)是经济生活的必需品。人与人之间在兴趣和才能上的差异,不管是先天的还是后天的。使我们有独特的“以物易物、交换和贸易的习性”,这种习性改善了我们的生活水平。每一个基础经济学学生都知道,不同才能在交换经济中如何通过贸易创造潜在收益,竞争性市场如何有效地调节和耗尽那些收益。在生产活动中,劳动被高度专业化地组织起来,以最大限度地利用我们的人力资源。 Diversity is a necessity of economic life. Differences in interests and talents between people, whether innate or acquired. It gives us a unique “barter, exchange and trade habit” that improves our standard of living. Every student of basic economics knows how different talents can create potential profits through trade in a swap economy and how competitive markets can effectively regulate and exhaust those gains. In productive activities, labor is highly professionally organized to maximize the utilization of our human resources.