在1970年，官员们就曾经因为从价格指数中排除了过多的价格种类而导致错误的低估了通胀的可能性。
That was the mistake made in the 1970s, when officials deluded themselves that inflation was under control by excluding ever more prices from their indices.
这就是为何英格兰银行(Bank of England)行长默文•金(Mervyn King)在本月初的演讲中提到排除一些价格种类的做法产生了很大的误导。
That is the reason why Mervyn King, the Bank of England's governor, referred in a speech earlier this month to the practice of excluding price categories as "highly misleading".
不同种类的食盐价格差异很大。
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