Whichever shows trend of depreciation, countries can abandon the currency; whichever demonstrates trend of appreciation, countries can buy in the currency.

哪种货币出现贬值趋势，各国即抛弃这种货币；哪种货币具有升值趋势，各国则购入这种货币。

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There has been little or no real appreciation of the RMB and there may actually have been some depreciation.

人民币升值很小，或者说实质上没有升值，可能还有一些贬值。

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If we regard the foreign exchange as an asset, we should use the continuous rate of returns to calculate the depreciation(or appreciation) percentage of the Renminbi.

而如果把外汇当成资产，就应该用资产收益率的连续复利计算方法来算一种货币兑其他货币的贬值（或升值）率。

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Then there are all the transactions that take place because investors are trying to ensure the best return on their money relative interest rates, inflation, and the scope for future currency appreciation and depreciation are all factors which influence such decisions.

ECONOMIST: Further to fall? | The

At some point, perhaps soon, and perhaps as a consequence of Asian investors feeling that they have a surfeit of Japanese stock exposure, yen appreciation will give way to depreciation.

FORBES: Whither Japan Stocks: Asian Buying Supporting the Market

These developing countries often intervene in currency markets to prevent currency appreciation and its negative effects on their balance of trade resulting from currency depreciation and manipulation in other countries.

FORBES: Move up http://i.forbesimg.com t Move down