price indices的用法和樣例：
例句
- After subtracting food and energy costs, which can vary widely each month, the Producer Price Index for Finished Goods still rose at a moderately fast clip of four-tenths of1 percent, compared with a two-tenth rises in April.
減去食物與能源的費用以后——這兩項每月可能大幅變動(dòng)——成品制造價(jià)格指數仍以略快的速度攀升百分零點(diǎn)四，相形之下，四月份僅上升零點(diǎn)二。 - Do you know the price index in the city?
你知道這個(gè)城市的物價(jià)指數嗎？
