然而，持久性经常需要用一种与程序执行过程中的数据保存方式不同的方法来保存状态信息。

However, persistence often requires saving state information in a way that's conceptually different from how the data exists in the execution of the program.

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可以采用多种方式来保存此数据。

You can save this data in a number of ways.

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本文以示例向您展示了如何以这种方式保存XML数据。

This article USES examples to show you how to save XML data in this way.

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