Ключевые слова: academic, board, book, books, checking, class, classroom, college, discussing, education, educational, exam, explaining, glass, graduate, graduation, high, homework, knowledge, learn, learning, lecture, lecturer, lesson, looking, loupe, magnifier, magnifying, man, mentor, mentoring, paper, reading, school, science, student, study, studying, teacher, teaching, textbook, textbooks, trainee, training, tutor, tutoring, university, white, whiteboard, young,