EXAMPLE: The producer price index (PPI), which measures prices of goods at the factory gate, rose 8.4 per cent in October compared to the same month a year ago, the biggest monthly leap since the Asian crisis hit the region in 1997/98.

• 例证：生产者物价指数（PPI）衡量的是产品出厂价格，10月份该指数与去年同期相比上升8.；4%25，是自1997至1998年亚洲金融危机袭击该地区以来最快的单月升幅。