The key to HTML is the tags, which indicates what content is coming up.

学习HTML的关键是标记；标记用于指明内容的表现形式。

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All the information necessary for decryption is present within the XML encryption tags: the name of the encryption algorithm, the type of data that was encrypted, and the name of the encryption key.

XML加密标记中存在着解密需要的所有信息：加密算法的名称、加密的数据类型以及加密密钥的名称。

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A SAX (Simple API for XML) parser is a single-pass XML reader that takes a well-defined XML file and produces key events, such as tags, attributes, and character text.

1sax (Simple API for XML)解析器是单向的XML阅读器，获得定义明确的XML文件并生成关键事件，例如标签、属性，和字符文本。

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Take, for example, the pile of "loyalty cards" and key tags that stores require you to carry around so that you get a supposed "discount" while they collect data for personalizing your promotional experience in the store.

WSJ: The Customer as a God: The Future of Shopping

Nineteen years later, Mandy semi-survived, had three months clean, some fluorescent key-ring tags to prove it.

NEWYORKER: Deniers