ＷＴＯ协议是涵盖范围广泛的各项活动的法律文本，冗长而复杂。但几个简单而根本的原则贯穿于所有这些文件，构成了多边贸易体制的基础。这些主要原则是： （１）非歧视的。即一国不应在其贸易伙伴之间造成歧视，他们都被平等地给予“最惠国待遇”；一国不应在本国和外国的产品 The WTO agreement is a long and complex legal text covering a wide range of activities. However, several simple and fundamental principles permeate all of these documents and form the basis of the multilateral trading system. These main principles are: (1) Non-discrimination. That is, a country should not cause discrimination among its trading partners. All of them are equally entitled to “most-favored-nation treatment.” A country should not treat its own products and foreign products