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
이질성은 문화 간의 차이를 이해하는 데 중요하다.Ijilseong-eun munhwa gan-ui chail-eul ihaehaneun de jungyohada.Foreignness is important for understanding the differences between cultures.