Ключевые слова: 20s, adult, attention, attitude, attractive, background, briefing, business, career, caucasian, commerce, communication, conference, education, equipment, executive, folder, formal, gesture, guy, hand, handsome, happy, information, isolated, leader, leadership, lecture, male, man, meeting, microphone, oneperson, papers, person, podium, portrait, presentation, presenter, professional, seminar, smart, smile, speaker, speech, suit, training, voice, white, young,