imperative law的用法和樣例：
例句
- The International jus cogens is the most controversial issue in international law after World War Two.
國際強行法是二戰後最有爭議的問題之一。 - This paper tries to prove the existence of international jus cogens though discussing the theory and the practice of international human rights law.
本文試圖通過闡述國際人權法的理論與實踐來論證國際強行法的存在。
