Ключевые слова: abstract, background, balance, ball, benefit, budget, business, choice, choose, compare, concept, cost, decision, desk, dividend, earning, empty, equal, equilibrium, equivalence, evenness, finance, future, imbalance, investment, level, leverage, management, market, mass, money, object, performance, planning, price, risk, scale, seesaw, self, sign, simple, stability, stock, swing, table, truth, value, wealth, weight, wood,