Ключевые слова: academic, alone, auditorium, briefing, business, businessman, center, chair, classroom, coaching, conference, consulting, convention, corporate, education, educator, empty, event, female, forum, hall, indoor, information, knowledge, learn, lecture, lecturer, meeting, pensive, person, planning, preparation, preparing, presentation, presenter, professional, public, reading, repeating, room, seat, seminar, sitting, speaker, speech, thoughtful, training, university, waiting, woman,