您已经知道，XML是一种非常冗长的格式，大型数据库的 XML转储会生成更大的 XML 文档集合。
XML, as you well know, is an extremely verbose format, and an XML dump of a large database would generate an even larger collection of XML documents.
SGML的目标是帮助特大型组织对大量文档格式化并归类。
The purpose of SGML was to help very large organizations format and categorize large collections of documents.
SGML的目标是帮助特大型组织对大量文档格式化并归类。
The purpose of SGML was to help very large organizations format and categorize large collections of documents.
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