Ключевые слова: academic, academy, audience, business, businessman, businesswoman, class, coaching, conference, congress, convention, corporate, crowd, discussion, education, educator, entrepreneur, event, explaining, faculty, forum, group, hall, indoors, institute, investor, lecture, lecturer, listeners, man, manager, meeting, participants, people, presentation, professional, public, seminar, sitting, speaker, speech, symposium, teaching, training, university, workshop,