一个国家要进行自由贸易可以采取单边或多边的方法。单边贸易就是单方面解除本国的贸易限制,英国在十九世纪就是这样做的,智利和韩国这些年来也采取这种方法。同样,一个国家也可以采取多边的方法,即与其他国家一起相对应地减少贸易限制。换言之,为了减少世界各地的贸易限制,该国可以与其贸易伙伴进行谈判。GATT关税贸易总协定堪称多边贸易的典范。关贸协定指世界许多国家进行一系列的谈判,以促进自由贸易。第二次世界大战后,在 A country can adopt a unilateral or multilateral approach to free trade. Unilateral trade is unilaterally lifting the restrictions on trade in the country. Britain did so in the 19th century. Chile and South Korea also adopted this method over the years. Similarly, a country can also take a multilateral approach by reducing trade restrictions in concert with other countries. In other words, in order to reduce trade restrictions around the world, the country can negotiate with its trading partners. The GATT Tariff General Agreement is a model for multilateral trade. The GTA refers to a series of negotiations among many countries in the world to promote free trade. After the Second World War,