来自niuren99的问题
老师您看看这句话翻的对吗，如果意思不精准请您再给我翻一遍
In the American economy this mechanism is provided by a priced system a process in which
prices rises and fall in response to relative demands of consumers and supplies offered by seller
products.
在美国经济，这种机制是被一个价格体制所提供，价格上涨和下跌为了反应消费者和供货
相对需求的一个进程。
