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 연구부장으로서 많은 프로젝트를 관리하고 있습니다.geuneun yeongu bujang-euroseo manheun peurojekteu-reul gwanlihago issseubnida.He is managing many projects as the head of research.