因此，如果一座城市的物价指数是134，那就意味着住在那里的生活成本要比布拉格高出34%。 。
Therefore, , if a city has a Price Index of 134, that means that living there is 34% more expensive than living in Prague.
在定下参照值之后，数据库里每个城市的物价指数值就能通过比较它们与布拉格的生活成本来统计了。
To calculate each cities' Cost of Living Index value, we start by assigning a value of 100 to a central reference city (that happens to be Prague).
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