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
그는 이 문제의 중요성을 강조한 발표를 했다.geuneun i munje-ui jungyoseong-eul gangjo-han balpyo-reul haetda.He gave a presentation that emphasized the importance of this issue.