形容詞 most-favored-nation:

1. of or relating to a commercial treaty where two nations agree to accord each other the same favorable terms that would be offered in treaties with any other nation

most-fav.ored-na.tion

adj.（形容詞）
Of or relating to the status or terms embodied in a commercial treaty by which each signatory agrees to accord the other the same treatment that is or will be accorded to any other nation.
最惠國待遇：與商業(yè)和約中出現(xiàn)的地位和條款有關(guān)聯(lián)的，通過此協(xié)議每一簽字國同意給予另一國與任何其它國同樣的待遇