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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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

Literacy opens up access to the knowledge and understandings vital to work (employment or self employment), health and family life as well as for active citizenship.

UNESCO: Literacy learning and global development