what for?是什么意思

用法例句

The article explores the issue through what is the law;what a law is;why the law is effective;the relationship between the effectiveness of law and the validity of law.

法为什么有效对理解法的有效性有重要影响,本文从新的角度对这一问题进行了尝试探索,进而对法的有效性和法的效力的关系予以阐释。