我国关税减让的基本历程 关税减让原则是WTO的重要原则之一。为了促使世界贸易自由化，WTO的前身GATT在其48年历史中，多次组织了世界性的削减关税谈判，使各国大幅度地削减关税。其中发达国家的进口关税从战后40%的平均税率下降到目前的4%左右，发展中国家和地区的平均关税 The basic process of China’s tariff concessions The principle of tariff concessions is one of the important principles of the WTO. In order to promote world trade liberalization, the WTO’s predecessor GATT, in its 48-year history, organized many times the worldwide tariff reduction negotiations so that all countries could slash the tariffs drastically. Among them, the import tariffs of developed countries dropped from the average tax rate of 40% after the war to about 4% at present, and the average tariffs of developing countries and regions