But in the real world, the most common course for harassed developers is to develop a sample of the XML format to serve all purposes of a proper schema.

但是在现实世界中，使开发人员感到困扰的最常见过程在于要开发一种xml格式样本，以满足合适模式的所有用途。

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Listing 4. Sample tag format.

清单4 .样本标记格式。

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Figure 4 shows a sample document and its hierarchical format in the XML data model.

图4展示了示例文档及其在XML数据模式中的分层格式。

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