free trade
free trade 自由贸易 所有货物都可以自由进出口而不用交特别税或受其他限制的贸易状态。
free trade, n. The open and unrestricted import and export of goods without barriers, such as quotas or tariffs, other than those charged only as a revenue source, as opposed to those designed to protect domestic businesses. Cf. protective tariff under TARIFF(2).