所谓“最惠国”，并非取其表面意思，它是在国际经济关系中一国给予除本国之外的其他国家的一种“待遇”，通常被称为“最惠国待遇”。最惠国待遇中的“最惠国”一词首次出现是在17世纪。但是，最惠国待遇可以追溯到11世纪。当时地中海沿岸的意大利、法国、西班牙的商人，在外 The so-called “most favored nation” is not its superficial meaning. It is a kind of “treatment” given by one country to countries other than its own in international economic relations and is often referred to as the “most-favored nation treatment.” The term “most favored nation” in MFN was first introduced in the 17th century. However, MFN can be traced back to the 11th century. At that time, Italian, French and Spanish businessmen on the Mediterranean coast were outside