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
상류계급은 사회에서 큰 영향력을 가지고 있습니다.sangnyu-gyegeup-eun sahoeeseo keun yeonghyangnyeogeul gajigo issseumnida.The upper class has a significant influence in society.