Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
개권유득은 개인의 권리를 보호하는 중요한 개념입니다.gaegwon-yudeugeun gaein-ui gwonli-reul bohohaneun jungyohan gaenyeom-imnida.The acquisition of rights is an important concept that protects individual rights.