Ключевые слова: amount, business, carbon, coal, commerce, concept, cost, course, crisis, currency, decrease, depression, downturn, drop, earning, economy, embargo, employment, energy, export, financial, fuel, import, index, industry, interest, investment, lesion, market, power, price, production, rate, rebate, recession, reduce, reduction, stagnation, supply, trade, value, worsening,