关税 [税收] Customs Duty ; [税收] Tariff ; customs duties

关税壁垒 tariff barrier ; [税收] tariff barrier ; [税收] tariff wall ; [税收] customs barrier

零关税 Zero Tariff ; zero tariff treatment ; Zero Duties ; zero of duty

非关税壁垒 non-tariff barrier ; non-tariff barriers ; NTBs non-tariffs barriers ; NTB

关税同盟 Customs Union ; [税收] Customs Union ; Zollverein

进口关税 import tariffs ; [税收] Import tariff ; import duty ; import duties

关税与贸易总协定 General Agreement on Tariffs and Trade ; GATT

关税配额 [税收] Tariff Quota ; [税收] customs quota

零关税待遇 zero-tariff treatment ; zero tariff treatment

免关税待遇 zero-tariff treatment ; DUTY-FREE TREATMENT