Today's inflation figures are particularly important for rail passengers because national fare rises are based on the July measure of the Retail Price Index (RPI), which dropped to 4.8 per cent.

国家费用的上涨是基于全国零售物价指数，这一指数七月份已下降到百分之4.8，所以今天发布的通胀数据对于铁路旅行者来说尤其重要。

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Official figures show that the wider Retail Price Index (RPI) measure, which includes housing costs, tumbled deeper than expected into negative territory to a record low.

官方数据显示：包括住房成本在内的广义零售价格指数（RPI ）出乎意料下降很快，达到历史负值的最低点。

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The increase, described by Boris Johnson as "balanced", is 1% above the Retail Price Index (RPI) measure of inflation.

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The increase, described by London Mayor Boris Johnson as "balanced", is 1% above the Retail Price Index (RPI) measure of inflation.

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The CPI was a more "appropriate" measure for changes in the cost of living of pensioners and benefit recipients than the retail price index (RPI), he said.

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