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
형이상학은 존재의 본질을 탐구하는 철학의 한 분야입니다.hyeongisanghak-eun jonjae-ui bonjil-eul tamgu-haneun cheolhak-ui han bun-ya-imnida.Metaphysics is a branch of philosophy that explores the nature of existence.