The average ratio of tax payments to operator revenues is 30%. On average the mobile industry, which accounts for 4% of GDP, contributes 7% of national tax revenue.

平均来说营业额的30%要交税，平均来说，占GDP总额4%的电信产业却贡献了7%的国家税收收入。

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Starbucks slid 2.4 percent to $32.29. The world’s biggest coffee-shop operator forecast second-quarter profit will be as much as 33 cents a share, below the 35 cents analysts projected on average.

星巴克公司股价下跌2.4%，至32.29美元，星巴克公司预计第二季度利润约合美股33美分，低于分析师平均预计的35美分。

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In this paper, a novel method based on mathematical morphology average filter and energy operator is developed for voltage flicker detection.

提出了一种基于数学形态学均值滤波与能量算子包络检测的电压闪变实时检测的新方法。

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My guess is, however, that their demagoguery is working in the sense that the average taxi-cab or beauty-parlor operator probably thinks that raising the top tax rates affect only millionaires and billionaires.

FORBES: Lying With Words As Well As Statistics

And while Virgin is often cited as the most expensive operator in the country Smith says that the average price paid for a ticket on the West Coast line has actually fallen in the last decade due to the range of discounts available.

BBC: Searching for the most expensive train journey

The Chicago Merc is part of CME Group, the biggest futures-exchange operator in the U.S., handling an average of 12.5 million contracts a day.

WSJ: An Economy Caught in a Web