Ключевые слова: adult, audience, auditorium, back to school month, blur, boardroom, business, busy, class, college, concept, conference, corporate, crowd, dreads, education, group, hall, high school, international, knowledge, large, learning, lecture, lecturer, listening, meeting, men, national teachers appreciation week, people, person, perspective, presentation, public, rear, row, seminar, sit, speaker, speaking, students, studying, system, teaching, technology, training, watching, women, workshop, young,