Ключевые слова: auditorium, business, campus, caucasian, class, classroom, college, computer, conference, desk, education, female, friends, group, hall, happy, high, horizontal, indoors, international, knowledge, laptop, learning, lecture, lesson, listening, male, meeting, men, multiethnic, people, person, school, seminar, sitting, smiling, student, study, studying, teacher, teaching, technology, together, training, tutor, university, white, women, working, young,