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
국부는 국가의 경제 발전에 중요한 역할을 합니다.gukbuneun gukga-ui gyeongje baljeon-e jungyohan yeoghal-eul hamnida.National wealth plays an important role in the economic development of a country.