Ключевые слова: bad, beautiful, black, blackboard, business, chalkboard, coach, confident, education, educator, every, expression, good, handwriting, has, illustrate, illustrated, illustration, its, language, negative, positive, presentation, proverb, prudent, rose, saying, school, shortcoming, side, simple, student, succesful, teacher, teaching, text, thorn, tip, trainer, training, translation, tutor, tutorial, two, white, wise, woman, word, writing, written,