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
기차를 타기 전에 개찰구에서 표를 보여줘야 해요.gichareul tagi jeon-e gaechalgueseo pyoreul boyeojwoya haeyo.You have to show your ticket at the ticket inspection before getting on the train.