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
이 판별법은 두 가지 상황을 구분하는 데 사용됩니다.i panbyeolbeob-eun du gaji sanghwang-eul gubunhaneun de sayongdoemnida.This method of discrimination is used to distinguish between two situations.