A measure of the fluctuationinprices of common consumer goods and services over a fixed time period.
在一定时期内衡量常用消费品和服务价格波动情况的一种尺度。
2
The erratic fluctuation of market prices is in consequence of unstable economy.
经济波动致使市场物价忽起忽落。
《新英汉大辞典》
3
While neither production nor consumption take place, but people are engaged in trade, to buy is to sell and make money from pricesfluctuation, which is speculative.