本书最主要的目的是让那些无暇细读《世界史纲》的读者清晰理解人类伟大冒险活动的那些模糊的、琐碎的概念，纠正先前形成的一些错误认识。本书绝不是《世界史纲》的缩写版，因为《世界史纲》就其本身的目的来说，是无法缩写和提炼的。本书则采用了崭新的立意和写法，是一部更通俗、更普及的历史著作。
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