Ключевые слова: 20s, 30s, 40s, 50s, academic, achievement, agreement, auditorium, beautiful, black, business, businessman, businesswoman, caucasian, cell phone, chair, cheerful, communication, company, conference center, confidence, convention, corporate, elegant, entrepreneur, executive, female, greeting, guidance, handsome, happy, introducing, introduction, leadership, lifestyle, male, man, mature adult, mid adult, participants, preparation, pretty, professional, seminar, shaking hands, sitting, smart, smartphone, smiling, sophisticated, success, team, teamwork, together, trust, well dressed, woman, young adult,