Elon Musk's SpaceX company has a contract to build the lander - which will be flown to the Moon on a SpaceX Starship rocket. But delays to the Starship rocket have led Nasa to ask SpaceX for a new streamlined plan to speed a return to the Moon.
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如果你也正站在孩子入园的门槛前，我想分享几点心得：
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