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
전령장교는 중요한 정보를 전달하는 역할을 합니다.jeollyeongjanggyoneun jungyohan jeongboreul jeondalhaneun yeogaleul hamnida.The messenger officer plays a role in delivering important information.