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
예비율은 프로젝트의 초기 단계에서 중요한 지표입니다.yebiryureun peurojekteuui chogi dangjaeseo jungyohan jipyoimnida.The preliminary rate is an important indicator in the initial stages of the project.