We can thank improved literacy, which has played a role in spreading vital knowledge in low-income societies, for some of these health gains.

部分健康成果应归功于读写能力的提高，因为这对低收入社会里传播重要知识起到了举足轻重的作用。

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Having survived there for centuries, they believe their wealth of traditional knowledge is vital to the task.

在那里生活了几个世纪后，他们相信自己丰富的传统知识对完成这项任务至关重要。

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Natural history films play a major role in spreading knowledge of their work. And understanding the world around is vital in the continuing endeavour to preserve our ecosystem.

自然历史影片在传播与他们工作有关的知识上发挥着重要作用，了解周围的世界对继续努力保护我们的生态系统是非常重要的。

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When the Pilgrims at Plymouth Colony gave thanks for a bountiful harvest nearly four centuries ago, they enjoyed the fruits of their labor with the Wampanoag tribe -- a people who had shared vital knowledge of the land in the difficult months before.

WHITEHOUSE: Presidential Proclamation -- Thanksgiving Day, 2012

Such consolidation frees from departmental silos both the assets themselves and the vital tacit knowledge that relates to them.

FORBES: Enterprise Management of Intellectual Property

And the electorate has been deprived of information, knowledge and opinion vital to its function.

NEWYORKER: Money Unlimited