“我们看着这些硕大的火箭，当时就想：这些玩意太疯狂了，我绝不会做这种事，疯子才会这么干，”尤尔韦特松说。

"We saw these enormous rockets, and I remember thinking 'that's just crazy stuff, I would never do something like that, that's nuts." Jurvetson says.

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尤尔韦特松讲了一个故事：他和儿子曾经把一支火箭的速度提升至2.5马赫(即时速约1,900英里)，但尾翼随后脱离，造成了严重故障。

Jurvetson tells a story about the time he and his son pushed a rocket to Mach 2.5 — approximately 1,900 miles per hour — before a fin separated and caused a critical failure.

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尤尔韦特松长期以来一直在培养自己对太空和航天的兴趣，他在德丰杰公司总部（位于加州门洛帕克市）的办公室散落着多年来收集的源自阿波罗时代的美国航空航天局（NASA）物品。

Jurvetson has long cultivated an interest space and spaceflight, and his office at DFJ's Menlo Park, Calif. headquarters is littered with Apollo-era NASA artifacts he's collected over the years.

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