There is no paper, no printing, no trucking and no retail space.

无需纸张口印刷和装运，也不需要售卖空间。

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They've been kept running by a crack team at Kennedy space Center, allowing the old machines to keep on trucking all the way through the space shuttle era.

肯尼迪航天中的这两台高龄机器在一支顶尖团队的呵护之下，一路过来碾过了航天飞机时代的风风雨雨。

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Taking over space trucking from NASA allows them to pay the bills as they develop increasingly capable space vehicle systems.

CNN: Private space travel: A new era begins?