当你阅读课本和笔记时，用荧光笔和便利贴提醒自己需要记住哪些关键信息。

As you read your textbook and notes, use highlighters and sticky notes to remind yourself of which key information you need to remember.

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在为内容开发元数据标记时，务必要花时间了解信息上下文的性质。

Be sure to spend time understanding the nature of the information context when you're developing metadata tagging for content.

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每次打开或关闭一个标记时，或者每次解析器看到文本时，就用节点或文本的信息回调用户定义的函数。

Every time a tag is opened or closed, or any time the parser sees some text, it makes callbacks to some user-defined functions with the node or text information.

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