最惠国待遇的基本含义，是指缔约国一方现在和将来所给予任何第三国的一切特权、优惠及豁免，也同样给予缔约国对方。也就是说外国公民在东道国享受的待遇，要以东道国已经给予或者将来要给予第三国国民享受的待遇为标准，不能低于东道国已经给予或者将来给予任何第三国国民所 The basic meaning of most-favored-nation treatment is to refer to all privileges, privileges and immunities granted to one of the three Contracting States now and in the future to the third-party of the other Contracting State. In other words, the treatment enjoyed by a foreign citizen in the host country should be based on the treatment that the host country has given or will enjoy in the future to the third-country nationals, and can not be lower than the one given by the host country to any third-country nationals