Drawing on their personal savings, they built working prototypes and hired a VP of marketing, Ethan Thorman, to help get them off the ground.

他们用自己的积蓄制造了有效的原型并雇佣了一个市场副总裁Ethan Thorman来帮他们取得进展。

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Ares I-X has a four-hour launch window on Tuesday - from 8 a.m. to noon EDT (1200 to 1600 GMT) - during which the rocket needs only about 10 minutes of clear skies to get off the ground.

战神1号- X在周二的发射窗口大概为4个小时——东部标准时间早8点至中午12点。在这段时间里，只要有连续10分钟的晴好天气，火箭就可以发射升空。

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The main airport in Paris was running short of de-icing liquid. Many planes could not get off the ground, leaving desperate passengers stranded on the Christmas Eve.

巴黎主要的机场除冰液体已经出现短缺，许多飞机不能起飞，造成许多绝望的乘客在圣诞节前夕被困。

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Chicago is counting on Federal grants to get its program off the ground, then relying on private groups to step in.

FORBES: The Bike Sharing Renaissance

In this case, the digital and the physical fed off each other: The length of the filibuster gave the trend adequate time to get off the ground and talk of the trend on the Senate floor increased interest in it.

FORBES: For One Week At Least, Republicans Win The Internet

The bottom part of the proposed Liberty rocket would be based on the solid-fuelled boosters that help get the shuttle off the ground.

BBC: New rocket could lift astronauts