The question that must be answered is no longer "Why XML?" but "Why not XML?" XML is the default choice for data.

必须回答的问题不再是“为什么用XML”而是“为什么不用XML”，XML已成为默认的数据格式。

youdao

To ensure confidentiality, it's important to encrypt the XML — XML Encryption is the standard for doing this.

要保证机密性，重要的是加密xml——XML Encryption是加密xml的标准。

youdao

XML. XML format is excellent for structured and well-defined data in which both the server and the client are completely aware of how the data will look.

xml格式极为适合结构化和定义良好的数据，在这种情况下，服务器和客户机都完全了解数据的形式。

youdao

Complicated configurations files gave way to standardized XML, which then was replaced by point-and-click configuration.

FORBES: A New Open-Source Model For SaaS

SGML, like XML, is a metalanguage -- a language used for defining other languages.

CNN: XML for the absolute beginner

General Magic is using XML as part of its new voice agent technology, code-named Kenya.

CNN: XML comes of age at Internet World