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
회사는 이익 극대화를 위해 새로운 전략을 세웠다.Hoesa-neun iik geukdaehwa-reul wihae saeroun jeollyag-eul seweossda.The company developed a new strategy for profit maximization.