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
상호권리는 두 국가 간의 평등한 권리를 의미합니다.sanghogeonrineun du gukga gan-ui pyeongdeunghan geonri-reul uimi-hamnida.Isopolity refers to equal rights between two states.