尽管存在这些缺陷，还是有两个男人帮助殖民地生存了下来：约翰·史密斯和约翰·罗尔夫。

Despite these shortcomings, it was the work of two men that helped the colony to survive: John Smith and John Rolfe.

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整个夏天他们都热切地盼望着丰收的到来，他们深知自己的生存以及殖民地的存在与否都将取决于即将到来的收成。

All summer long they waited for the harvests with great anxiety, knowing that their lives and the future existence of the colony depended on the coming harvest.

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在150到200年内，人类就能在火星上建立一个殖民地。我们要如何在哪里生存，如何获取能源，如何保护生态环境？

In 150-200 years human beings will establish a colony on the planet Mars. How will we build and live, get energy and protect the environment?

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