protective tariff and revenue tariff有什么不同不要只是翻译我要意义

protective tariff and revenue tariff有什么不同不要只是翻译我要意义 protective protective protective protective protective tariff是什么意思 英语翻译1.protectionism means the deliberate use or encouragement of restrictions on imports to enable relatively inefficient domestic producers to compete successfully with foreign producers.2.protective tariff means a duty or tax imposed on imp principle protective BTN Tariff number BTN Tariff number restrictive business tariff是什么意思 tariff code international compound tariff是什么意思 tariff classification是什么意思 ad valorem tariff是什么意思 the harmonised tariff code preferential tariff是什么意思