Ключевые слова: academic, annual, audience, background, board, boardroom, business, businesspeople, call, chairs, class, classroom, coaching, college, conference, discussion, education, examination, government, group, hall, interior, knowledge, lecture, meeting, microphone, microphones, modern, nobody, office, paper, pencil, people, presentation, room, school, screen, seminar, serious, sitting, student, students, study, table, teacher, training, uniform, university, working, writing,