Ключевые слова: aspiration, background, blackboard, board, business, calculator, chalk, chalkboard, choice, concept, conceptual, determination, education, excuse, excuses, explain, fresh, goal, hand, incentive, justification, justify, leadership, learning, make, making, message, motivation, note, pen, perspective, procrastination, reason, reform, regenerate, reminder, renewing, responsibility, search, signs, solution, start, stop, success, target, teacher, teamwork, text, time, word,