We admit its flawed: Big Macs are not traded across borders as the PPP theory demands, and prices are distorted by taxes, tariffs, different profit margins and differences in the cost of non-tradables, such as rents.

• 我们承认它的确存在瑕疵：巨无霸并不像购买力平价理论要求的那样（可以）跨国交易，并且其价格被税收、关税、不同的利润以及不可贸易成本，例如租金所扭曲。