对局外人来说，这种商业模式是否可靠还是未知之数，在被问及是否已经向其他国家或公司作出要出租太空站空间的承诺时，毕格罗也拒绝提供答案。
The soundness of the business case is unknown to outsiders. Mr. Bigelow declines to say if he has firm commitments from any countries or companies to rent space on his space stations.
对局外人来说，这种商业模式是否可靠还是未知之数，在被问及是否已经向其他国家或公司作出要出租太空站空间的承诺时，毕格罗也拒绝提供答案。
The soundness of the business case is unknown to outsiders. Mr. Bigelow declines to say if he has firm commitments from any countries or companies to rent space on his space stations.
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