price index
noun /ˈpraɪs ɪndeks/
  /ˈpraɪs ɪndeks/
(also retail price index, RPI)
 [singular]- (in the UK) a list of the prices of some ordinary goods and services which shows how much these prices change each month
| 单词 | price index | 
| 释义 | price indexnoun /ˈpraɪs ɪndeks/  /ˈpraɪs ɪndeks/ (also retail price index, RPI)[singular] 
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