Ключевые слова: background, bank, bright, bulb, business, capital, cash, coin, coins, commerce, concept, conservation, cost, creative, creativity, currency, dollar, ecology, economic, economy, efficiency, electric, electricity, energy, environment, equipment, finance, financial, glass, growth, idea, imagination, innovation, inspiration, investment, isolated, lamp, light, money, pile, power, save, savings, smart, solution, success, symbol, technology, wealth, white,