Comparative interest is a comparative advantage, which is a comparison between its own various advantages, so people should compare their own advantages and engage in work with which they have greater comparative advantages. After the division of labor, country A will specialize in X, and country B will specialize in Y. ( 比较利益是相对优势,是本身各种优势之间的比较,因而人们要将自身各种优势进行比较后,从事那些自己有更大相对优势的工作。分工后 A 国将专业生产 X , B 国专业生产 Y 。 ) 国家 X 产品 Y 产品 A 国 B 国 6 1 4 2 ( )