Philosopher and historian Will Durant once observed that the only thing that could get countries to join forces would be an alien invasion.

哲学家和历史学家Will Durant曾经评论到，能让国家联合起来的唯一办法是外星人入侵。

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An alien scout lands on earth in the year 1854. The creature is searching for water and food. Once it finds what it needs, it will call in an invasion fleet.

在1854年，一架外星人的侦察机降落在地球，这个外星生物在寻找食物和水，一旦让它发现了这些他们所需要的东西，它就会立刻通知其它外星舰队入侵地球。

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