imperative law的用法和样例：
例句
- The International jus cogens is the most controversial issue in international law after World War Two.
国际强行法是二战后最有争议的问题之一。 - This paper tries to prove the existence of international jus cogens though discussing the theory and the practice of international human rights law.
本文试图通过阐述国际人权法的理论与实践来论证国际强行法的存在。
