Ключевые слова: academic, blackboard, board, book, books, chalkboard, class, classroom, college, demonstrating, discussing, education, experienced, explaining, graduate, graduation, green, help, helping, individual, knowledge, learn, learning, lecture, lecturer, lesson, man, mentor, mentoring, old, personal, pointing, presenting, private, pupil, reading, school, showing, student, study, studying, teacher, teaching, textbook, textbooks, trainee, training, tutor, tutoring, university,