It is part of US ambitions to build a permanent base for humans to live on the lunar surface.
This could have significant impacts for housing, transport and food supply.，推荐阅读Line官方版本下载获取更多信息
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Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there are still huge hurdles to overcome.
「這問題並不是一目了然的，也不會有什麼全國教會普查能讓我們一次性給出定論。」