Being the most complex one in the monetary system, the stock market system has many similarities with the economic and physics system in their fluctuations.
股市系统，做为金融系统中最复杂的一种，其波动规律与物理系统、经济系统有着诸多类似之处。
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Black: I have been reading a great deal recently about exchange-rate fluctuations, payment balances, clean and dirty floats, and the International Monetary System.