Private spaceflight could lie within reach of rich civilians in a few years.

几年后，有钱的平民就可以进入私人太空飞行了。

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There is no doubt that spaceflight entails risks, and to pioneer a new mode of travel is to face those risks, and to reduce them with the benefit of hard-won experience.

毫无疑问，太空飞行是有风险的，而开创一种新的旅行方式就是要面对这些风险，并利用来之不易的经验来减少这些风险。

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This was it. What could be an impossible effort in the history of spaceflight was ready to lift off on its final chance for success.

VOA: special.2009.07.01

She expresses concern that people traveling in space might someday damage the spaceflight objects.

VOA: special.2010.03.02

Researchers studying the effects of long-term spaceflight often examine the hipbone or backbone.

VOA: special.2009.03.10

This month, the White House ordered a sweeping independent review of Nasa's manned spaceflight strategy.

BBC: Obama names US space agency chief

China is the only other entity besides the U.S. and Russia with a human spaceflight capability.

CNN: Make China our new partner in space

Virginia already exempts the price of spaceflight services from its sales and use tax.

FORBES: The Final Frontier: A Tax Break For Burial In Space