Ключевые слова: background, book, business, cash, change, coins, concept, corporate, creativity, csr, ecofriendly, ecological, ecology, economy, education, environment, ethics, exchange, finance, funds, growth, ideas, information, intellectual, interest, investment, knowledge, learning, magic, metals, money, moral, nature, open, paper, plant, prosperity, responsibility, rich, study, studying, sustainability, sustainable, symbol, textbook, treasure, tree, valuable, wealth, wisdom,