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
개발업은 경제 성장에 중요한 역할을 합니다.gaebal-eob-eun gyeongje seongjang-e jungyohan yeoghal-eul hamnida.The development industry plays an important role in economic growth.