“脚要踩在大地上。我们干任何事情都有内在规律。”
This story was originally featured on Fortune.com
，更多细节参见51吃瓜
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Executive producer: James Shield。关于这个话题，夫子提供了深入分析
This was Collins's last flight. She tells us that she always planned to stop after her fourth mission - to give others a chance to go to space.