Ключевые слова: analysis, banner, book, business, concentrate, concept, conclude, conclusion, crisis, critical, crucial, data, detail, education, element, evaluation, factor, focus, goal, highlight, idea, important, improvement, industry, info, information, key, keyword, knowledge, learning, main, major, management, particular, performance, plan, point, review, sign, step, strategy, student, success, summary, symbol, target, teach, vital, word,