通过阅读规范中给出的描述，我们发现这些标记旨在表明元素的可扩展性，因此我们使用省略号…替代它们。

By reading the description given in the specification we can see that they are intended to indicate element extensibility, so we replace them with ellipses...

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XML(可扩展标记语言)是源于SGML的一种标记语言，其规范由W3C管理。

XML (Extensible markup language) is a markup language derived from SGML, and its specification is organized by W3C.

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Struts是一种MVC实现，它将Servlet 2.2和JSP 1.1标记(属于J2EE规范)用作实现的一部分。

Struts is an MVC implementation that USES Servlets 2.2 and JSP 1.1 tags, from the J2EE specifications, as part of the implementation.

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What they also did around the year one thousand was to identify-- to label--these particular spots--spaces and lines.

在公元一千年左右,他们还制定了规范,来标记这每一个点,间和线

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