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
조선 시대의 사대부들은 정치와 학문에 큰 영향을 미쳤다.Joseon sidaeui sadaebu-deul-eun jeongchiwa hakmun-e keun yeonghyang-eul michyeotda.The scholar-officials of the Joseon Dynasty had a significant influence on politics and academia.