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
회사는 배출권을 구매하여 탄소 배출을 줄일 수 있습니다.hoesa-neun bae chul gwon-eul gumaehayeo tanso bae chul-eul julil su itsseumnida.The company can reduce carbon emissions by purchasing emission rights.