Ключевые слова: advice, analysis, analyze, background, business, businessman, concept, cost, customer, delivery, education, environment, focus, goal, hand, human, idea, important, male, man, management, manager, meeting, morale, office, option, pen, people, person, plan, pointing, presentation, professional, quality, safety, satisfaction, screen, seminar, showing, significant, strategy, survival, survive, teacher, teaching, white, whiteboard, word, write,