答案:International trade, also called foreign trade or world trade, is the fair and deliberate exchange of commodity and services across national boundaries , involving the use of two or more currencies. It concerns import and export trade operations, and includes the purchase and sale of both visible and invisible goods.
【分析】:International trade, also called foreign trade or world trade, is the fair and deliberate exchange of commodity and services across national boundaries , involving the use of two or more currencies. It concerns import and export trade operations, and includes the purchase and sale of both visible and invisible goods.