海外市场研究:oversea's market research 国际市场营销:international marketing 国际商务理论:international business theory 国际贸易盈余:international trade surplus 国际结算与单证实务:international settlement and documents practice 贸易与代金结算:trade and 代金? settlement 外汇危险管理论:foreign exchange risk managment theory 互联网贸易实务:Internet trade practice 贸易实务论:Trade practice theory 韩国贸易法:Korean trade law 西方经济学:Economics