The XML (eXtensible Markup language) meta-language, despite its short lifetime, is already considered a key technology to the e-business world.

尽管XML(可扩展标记语言)元语言问世不久，但对于电子商务世界，它已经被认为是一项关键性技术。

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XML is a meta language which can establish sets of markup to encode particular information.

XML是一种承诺创建定制的标记集合以对特定类型信息编码的元语言。

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XML is a subset of the Standard Generalized Markup Language (SGML) and is designed to provide meta-information about the content of a given XML document.

XML 是 Standard Generalized Markup Language (SGML) 的一个子集，被设计来提供关于某个给定 XML 文档的内容的元信息（meta-information）。

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