The central parity price closed at one U. S. dollar for 7.8141 yuan, the lowest of the year.

重要的汇率价停留在1美元对7.8141人民币，这是全年最低的汇兑比率。

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The index is based on the idea of purchasing-power parity (PPP), which says currencies should trade at the rate that makes the price of goods the same in each country.

指数在购买力平价（PPP）这一概念基础上产生，购买力平价是指货币应以使商品价格在各个国家保持一致的汇率兑换。

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The Big Mac Index is based on the theory of purchasing-power parity (PPP), which says that exchange rates should move to make the price of a basket of goods the same in each country.

巨无霸指数是建立在购买力平价理论的基础上。 购买力平价理论认为，汇率应该使得一揽子商品的价格在各个国家都相同。

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It is the cost to consumers, i.e. the cost after transportation, which is the parity price, not the cost of the commodity in its native land.

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Its move that could help establish price parity between big box retailers and Amazon.com.

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Price parity is net of transportation costs and of import taxes both.

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