“$19 billion is enough for me,” says Jeffrey Manber, a space entrepreneur. “As a business person it is less important what the White House announces than that they stick to it.

杰弗里曼伯-太空企业家说:“190亿美元对我来说已经足够了”,“作为一个商人来说，白宫坚持去做什么比他们宣布什么更为重要。”

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Still, for all its challenges, Jeffrey Manber is optimistic about the project.

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