We'll illustrate the concepts outlined so far with a currency exchange application, which will display the current exchange rate between U.S. dollars (USD) and British pounds (GBP).
我们将通过一个贷币兑换应用程序来说明迄今为止所概述过的概念，这个应用程序将会显示美元(u.s. dollar, USD)和英镑(British pound, GBP)之间最新的汇率。
In the short term, the USD could continue to depreciate against the GBP and EUR, but these currencies look increasingly expensive on valuation terms.
短期而言，美元还会对英镑和欧元贬值，不过从估值角度来看这些货币已经越来越昂贵。
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