在陆铭看来，正是由于未来产业的投资回报具有较大不确定性，如果完全按照市场机制，让私人部门投资，可能存在巨大的外部性——没有收益，或者因为投资规模太大，导致私人部门缺乏投资来源，因此，政府参与显得尤为必要。“但是投的时候，还要对市场发展的前景以及存在的风险有充分认识。”陆铭说。
It was a huge step forward for Bezos and his company that has spent years getting to the point of sending a rocket into orbit.
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