He says a stable exchange rate has been most important to China in recent months.

他表示，近期，汇率稳定才是中国的重中之重。

They like to keep the exchange rate stable so that import and export prices don't suddenly jump around.

他们希望保持汇率稳定，这样进出口价格就不会大幅跳动。

This marked a break with the previous gold standard system, which from the late 19th century had provided predictable and stable exchange rates for countries that kept the value of their currencies fixed to a specific quantity of gold.

这标志着与先前的金本位制(以黄金为本位币的货币制度)进行决裂，从19世纪末开始，一些国家将本国货币价值与特定数量的黄金挂钩，而金本位制为这些国家提供了可预测和稳定的汇率。