几个世纪以来，探险家们冒着生命危险探索未知的世界，其原因在不同程度上与经济和民族主义有关。

For centuries, explorers have risked their lives venturing into the unknown for reasons that were to varying degrees economic and nationalistic.

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其目的是探索怎样帮助城市驾驭它们的经济增长以改善市民的生活质量。

The strategy looks at how to help cities harness their economic growth to improve the quality of life of their citizens.

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世界经济论坛已经创造了一个雄心勃勃的网站——weforum.org/tgt来展示一些调查结果，包括一个对探索数据有用的可视化工具。

The World Economic Forum has created an ambitious Web site, weforum.org/tgt, to display the findings, including a visualization tool useful for exploring the data.

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