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
개인내의 기술은 사람들 간의 관계를 이해하는 데 중요하다.gaeinnaeui gisul-eun saramdeul gan-ui gwangye-reul ihaehaneun de jungyohada.Intrapersonal skills are important for understanding relationships between people.