The market for farmed turbot is stable with little change in prices.

养殖大菱市场稳定，价格变化不大。

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But every change in prices furthers the short-run interests of other people.

但是，物价的每一次波动，总要影响到某些人的短期利益。

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As far as favorite candy bars and sweets, analysts say consumers will likely see little change in prices or product offerings.

分析家认为，人们喜爱的糖果产品不会有大的变动，价格也不会有所变化。

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But then developments in other fields can change the relative prices and suddenly make an idea that had been hypothetical and unapplied suddenly work well.

而其他领域的发展,改变了相对价格,过去那些看似空想,而且不切实际的主意,就突然间变得可行了

耶鲁公开课 - 金融市场课程节选

Of course, this was just a change in stock prices; it wasn't related to any fundamental change in the economy or any fundamental change in corporate prospects.

当然,这只是股价上的变化,整个经济或是各个上市公司,并没有发生根本的变化

耶鲁公开课 - 金融市场课程节选

The CPI thus measures the rates of change in prices, rather than the level of prices.

FORBES: Why the Buy and Hold Strategy Can Work. Part Three

Change in prices often becomes news itself, as different investors buy or sell based on price trends only.

FORBES: Markets Haven't Changed, but Maybe You Should

The Land Registry is using something called Repeat Sales Regression to measure the change in prices over time.

BBC: House price surveys explained