signatory country的用法和樣例：
例句
- The GATT contains a number of provisions that affect copyright protection in signatory countries.
關貿總協定中有一部分條款是關於簽約國版權保護的條款。 - Since India is not a NPT signatory, the nuclear agreement between the U.S. and India is bound to pose a major challenge to that treaty.
由於印度不是禁止核武擴散條約的簽約國，因此美國與印度的這些核能條約勢必會對該條約是一個重大的挑戰。
