Ключевые слова: arts, auditorium, business, businesspeople, ceremonial, conference, culture, elegance, empty, entertainment, equipment, headphone, headphones, indoors, information, interior, international, interpretation, interpreter, language, learning, lecture, linear, listening, meeting, modern, office, people, presentation, professional, room, set, side, simultaneous, sparse, structure, stylish, teamwork, translation, translator, wireless,