自由贸易论theory: n. 1.理论,学理,原理。 2.学说,论说 (opp. ...free-trade port free port: 自"港balance of trade history of the theory: 贸易差额理论史futures trade theory and practice: 期货贸易理论与实务harvest theory of the trade cycle: 商业周期的收成论下载手机词典可随时随地查词查翻译