Mr Bigelow has so far spent $180m of his own money on space development—probably more than any other individual in history.
比奇洛目前已经花费了1.8亿美元用于太空开发，堪称前无古人。
Mr Bigelow has so far spent $180m of his own money on space development—probably more than any other individual in history.
比奇洛目前已经花费了1.8亿美元用于太空开发，堪称前无古人。
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