Ключевые слова: 35s, academy, activity, adult, american, appearance, appreciation, asian, attendance, audience, briefing, business, career, casual, center, coaching, conference, confident, convention, corporate, diversity, female, hall, improvement, intelligent, knowledge, lecture, listening, manager, meeting, occupation, participant, person, portrait, presentation, professional, public, satisfaction, seminar, sitting, speaker, speech, studying, thai, training, woman, working, young,