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
이번 주 특집 방송은 환경 문제에 대한 것입니다.ibeon ju teukjip bangsong-eun hwan-gyeong munje-e daehan geos-ibnida.This week's special feature broadcast is about environmental issues.