I-94表和customs declaration form是不是都在去美国的飞机上发?

I-94表和customs declaration form是不是都在去美国的飞机上发? customs customs tax,duty和customs的区别? the begining of 和 social customs customs clearance和customs declarance的区别请问：customs clearance和customs declarance有什么区别,究竟哪个是表示报关. CUSTOMS TARIFF 和 HS code 有什么区别 ?是CUSTOMS TARIFF 还是HS CODE世界通用? i match the countries with the customs是什么意思? I think they are customs officers.改为否定句是什么 求一篇和春节有关的作文开头是good evening .i.am glad to introduce to you some customs of the chinese spring festival it hasn't released from customs 和it doesn't release from customs 两句翻译上有何不同? I have been interested in f（ ）customs since I waI have been interested in f（ ）customs since I was little customs翻译 customs意思 customs officer Customs officers customs是什么意思 I don’t see any real point _______ (discuss) all these quaint old customs.