作为当今世界头号经济强国的美国已经习惯于对别人发号施令。而作为一个国家对外贸易政策重要组成部分的关税,尤其是发展中国家的关税常常被美国视为阻挠其经济霸权的绊脚石。为了搬走这些石头,他们在WTO谈判中软硬兼施,不遗余力。而事实上,美国一直有着贸易保护的传统,他们的高关税从19世纪30年代确立到20世纪30 The United States, the number one economic power in the world today, is accustomed to giving orders to others. Tariffs, which are an important part of a country’s foreign trade policy, and tariffs of developing countries in particular, are often regarded by the United States as a stumbling block to their economic hegemony. In order to remove these stones, they spare no effort in the WTO negotiations. In fact, the United States has always had the tradition of trade protection. Their high tariffs have been established from the 1830s to the 20th century