Ключевые слова: academic, angry, back, board, briefing, business, businessman, class, classroom, coach, coaching, conference, course, demonstrating, discussing, education, explaining, lecture, lecturer, lesson, line, man, meeting, mentor, mentoring, pointing, presentation, presenting, ruler, seats, seminar, showing, speaker, speaking, strict, student, study, studying, talking, teacher, teaching, to, trainer, training, tutor, tutoring, university, white, whiteboard, young,