Hills and mountains are often regarded as the epitome of permanence, successfully resisting the destructive forces of nature, but in fact they tend to be relatively short-lived in geological terms.

丘陵和山脉通常被认为是永恒的象征，成功抵御着自然的破坏力量，但其实它们从地质学角度讲往往是相对短暂的。

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Each shows how existing customers have used social software successfully and provides examples that you can take back to groups who are resisting the deployment of social software.

它们分别展示了已有客户如何成功使用社交软件，您可以利用这些例子排除团队对社交软件部署的质疑。

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