Ключевые слова: academy, adult, arms folded, attrition, beard, blackboard, board, brown hair, casual, caucasian, chalkboard, class, classroom, college, confidence, copy, crossed, crossed arms, educate, education, educational, folded, green, handsome, happy, indoors, lecture, lecturer, lesson, male, man, portrait, professor, room, school, shirt, smile, smiling, space, stay, student, study, successful, teach, teacher, texture, toothy smile, university, wall, young,