"There's another ingredient that's required, and that's the orbital economy, whether it happens in low-Earth orbit or on the lunar surface," Isaacman said.
厦门的年夜饭市场火爆。这道“龙腾四海小青龙”的龙虾头被固定在盘中，被家人们调侃为“老演员”，还要留给下一桌用。南方周末记者 黄思琪/摄
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Laura CressTechnology reporter