Ключевые слова: accuracy, action, background, banknotes, bills, budget, business, cash, clock, concept, copy, countdown, counting, crystal, deadline, dollar, earn, economy, expire, financial, finish, flowing, hour, hourglass, life, management, many, measurement, minute, money, object, passing, past, patience, pay, period, process, rationality, running, salary, sand, second, space, start, table, text, time, timer, wasting, wooden,