A couch performs a double service.

躺椅有双重的服务。

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The concept of "double service" requires government to safeguard and serve both public interest and private interest.

“双服务”理念要求行政活动既要服务于公益又要服务于私益。

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In 2015, the US Forest Service for the first time spent more than half of its $5.5 billion annual budget fighting fires—nearly double the percentage it spent on such efforts 20 years ago.

2015年，美国林务局首次使用55亿美元年度预算的一半以上用于灭火——这几乎是20年前火灾支出所占比例的两倍。

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International growth was in part driven by Emirates' recent introduction of a double daily service to Dubai.

BBC: Glasgow Airport reports busiest November for four years

He said members were concerned the contract was awarded too cheaply, and it would be difficult for an organisation to double the service provided for the same cost and still meet quality standards.

BBC: England

But if that service costs double the home-charging rate, that percentage drops to 30 percent.

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