In the American economy, this mechanism is provided by a price system, a process in which prices rise and fall in response to relative demands of consumers and supplies offered by seller-producers.

• 在美国经济中,这一机制是由价格体系来提供的。价格体系是一个过程,在这一过程中,价格随着消费者的相对需求和销售-生产商提供的供给而涨落。