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
실학사상은 조선 시대에 중요한 철학적 흐름이었습니다.Silhak sasang-eun Joseon sidae-e jungyohan cheolhakjeok heureum-i-eossseubnida.Practical Learning was an important philosophical trend during the Joseon Dynasty.