The answer is: This book is a quantum leap ahead of the others.

答案是：这本书相对于其他书籍来讲是一个巨大的飞跃。

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A child may start with very small steps but as confidence and ability grow, the child will leap ahead, faster and further each day.

一个孩子在开始学习时可能步子很小，但随着信心与能力的增长，他就能跳跃了，每天都会跳得更快，更远。

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Now let's leap ahead, and much farther afield. What kinds of issues might a crew of astronauts face on a longer journey-say, a round-trip to Mars?

现在让我们跳跃前进，更进一步地研究这个话题：宇航员在长期的太空旅行，换句话说，环游火星时可能要面临的问题？

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The next great leap ahead was the advent of double-entry accounting in Renaissance Italy.

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Without question, TIA represented a radical leap ahead in both data-mining technology and intelligence analysis.

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So, who actually thinks RIM has what it takes to leap ahead of its big rivals now?

FORBES: RIM Co-CEO Promises "Quantum Leap Over Anything That's Out There"