Ключевые слова: account, accounting, bank, banking, budget, bulb, business, cash, concept, consumerism, credit card, currency, domestic life, economy, efficiency, electric, electric lamp, electrical, electricity, energy, european union, expensive, finance, growth, idea, impoverishment, income, innovation, investment, light bulb, lightbulb, loan, money, no people, payment, phone, piggy, piggy bank, power, price, profit, rise, save, savings, social issues, tax, technology, voltage, watt, wealth,