Ключевые слова: 3035, 30s, academic, activities, adult, asian, attention, audience, auditorium, boardroom, briefing, business, career, center, coaching, communication, conference, confident, congress, corporate, education, engagement, ethnic, female, group, hall, information, interior, japanese, learning, lecture, listening, multiethnic, participants, people, person, portrait, positive, presentation, professional, public, speaker, spectator, study, training, woman, working, young,