The biggest change has been the decrease in sales since the great boom years in 1980s when champagne production and sales reached record levels.

最大的变化是，自20世纪80年代香槟的生产和销售达到创纪录水平的大繁荣时期后，销量一直在下降。

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This shows a slight decrease in sales.

那表明比前一个月的数目略有减少。

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The decrease in sales was almost 20 percent.

销售量差不多减少了20%。

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The electronics industry is hoping a new crop of products will help it recover from an eight percent decrease in sales last year.

VOA: special.2010.01.26

The government had earlier reported a marked decrease in sales of fireworks and firecrackers in the capital.

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In 2006, Amazon announced that for every 100ms in load time there was a 1% decrease in sales.

FORBES: Ecommerce Marketing Checklist for 2013

Both companies said they expect a decrease in sales, with Howard noting industry analysts have estimated a drop of 6 percent to 8 percent.

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