An English course in foreign trade and economic 并列题名:An English course in foreign trade and economic English for foreign trade and commerce 并列题名：English for foreign trade and commerce English practical writing for foreign trade and economy English correspondence on international trade and economics a new book of english for international trade and economics 英文题名:English correspondence and negotiations on foreign trade and economics A new book of English for international trade and economics white paper on guangzhou foreign trade and economy