基本解释[税收] 互惠协定关税词组短语短语bargaining g tariff 互惠协定关税non -bargaining tariff [税收]非谈判性关税;非谈判关税;翻译;非谈判性关税英语bargaining tariff system 减让关税制度bargaining tariff detail 谈判税则tariff bargaining [税收]关税协商;关税协商bargaining tariff更多词组专业释义经济学协议关税互惠协定关税协议税则谈判性关税