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
백가는 고대 중국의 여러 철학 학교를 의미합니다.baekga-neun godae jungguk-ui yeoreo cheolhak hakgyoreul uimi-hamnida.Baekga refers to the various philosophical schools of ancient China.