Ключевые слова: academic, beard, black, blackboard, board, book, boy, business, chalkboard, class, classroom, college, communication, cute, desk, education, elementary, idea, information, isolated, kid, knowledge, learn, learning, lecture, lesson, man, occupation, portrait, professional, pupil, school, seminar, skills, smiling, speaker, student, study, studying, table, talk, teach, teacher, training, university, woman, word, worker, workplace, workshop,