The US space agency's (Nasa) Associate Administrator for space Operations, Bill Gerstenmaier, said it was the closest a debris object had ever come to the station.

NASA的太空作业首席助理Bill Gerstenmaier说，这是太空残骸最接近国际空间站的一次。

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I don't mind buying an expensive car, but I do mind standing at a filling station watching the digital read-out adding noughts to my credit-card bill for a tankful of something I can't even see.

我不介意买个贵车，但是我很介意就为加满一箱我甚至都看不见的玩意，就要看着加注站的数码表不停往我卡上添零。

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And when a friend comes to visit, her phone roams on to your base-station, but the charges for any calls she makes appear on her bill.

如果你有朋友来到你的家中，那么她的手机也会使用你的家庭基站进行连接，但是她的呼叫费用还是依旧会显示在她的账单上的。

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Space station programme manager Bill Gerstenmaier said extending astronauts' time aboard the station could help lay the groundwork for eventual Moon missions or Mars trips.

BBC: NEWS | Science/Nature | Astronauts may get time extension

Imagine filling up at the gas station with a pump that showed neither price nor quantity, but the gas station sent you a bill five weeks later.

FORBES: Engaging the Electric Grid - From Information to Intelligence

"More importantly than that financial piece is just the experience gained through the International Space Station, " said Bill Gerstenmaier, Nasa's associate administrator for human exploration and operations.

BBC: Europe and US agree details for Orion astronaut spacecraft