Ключевые слова: belt, casual, cellphone, class, community, concept, convention, course, education, ethnicity, friendship, front, gathering, general, group, gym, indoor, instructor, international, kimono, large, lesson, listen, looking, martial arts, meeting, mirror, mobile, motivation, multiethnic, occupation, organized, people, professional, real, record, seminar, sit, sport, stand, student, teacher, team, teamwork, together, training, video, view, watch,