Ключевые слова: abacus, accounting, background, beads, business, calculation, calculator, chart, cheating, concept, coronavirus, count, counter, counting, covid, creative, crisis, currency, dark, decline, depression, dollar, economy, environment, epidemic, finance, financial, global, government, illness, manager, market, medical, miniature, money, office, old, pandemic, prevention, price, profit, quarantine, recession, risk, sick, silhouette, stock, unemployment, virus,