巨无霸指数以购买力平价理论为基础。根据该理论，汇率需调整以均衡全球范围内的一篮子食物和服务的价格。

The Big Mac index is based on the theory of purchasing-power parity (PPP), according to which exchange rates should adjust to equalise the price of a basket of goods and services around the world.

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分别利用不均衡性的斜度指数和集中指数来衡量儿童发育迟缓方面的绝对和相对社会经济不均衡性。

Absolute and relative socioeconomic inequality in stunting was measured by means of the slope index and the concentration index of inequality, respectively.

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最近一份数据显示，8月份时BIS的美元实际有效汇率指数不足92，较指数均衡价值低了8%左右。

As of August, the latest data available, the BIS index of the dollar's effective exchange rate was less than 92, or roughly 8% below what some might consider fair, or equilibrium, value.

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