汇率浮动，让货币兑换值与其它货币自由形成其真正的比价标准。
To allow (the exchange value of a currency) to find freely its real level in relationship to other currencies.
汇率一种货币与另一种货币的比价。银行兑换外币的依据。
Currency Risk Risk that the value of a currency will by negatively affected in the event of an unfavorable movement in rates of exchange.
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