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
선박이 항구에 정박할 때 정박세를 지불해야 합니다.seonbagi hanggu-e jeongbakhal ttae jeongbakse-reul jibulhaeya hamnida.When a ship docks at the port, it must pay the berthage.