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
양비론은 두 가지 상반된 개념을 동시에 고려하는 이론입니다.yangbironeun du gaji sangbanhan gyeongnyeomeul dongsi goryeo haneun ilonimnida.The theory of dualism considers two opposing concepts simultaneously.