我们先前的简单示例(其中，多态递归作为一个简单直接的自引用发生)会使这一事实变得模糊。

This fact may be obfuscated by our simple example earlier in which the polymorphic recursion occurs as a simple, direct self-reference.

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URI 通常用作 XML 核心规范中的系统标识符，指定引用自某个 XML 文档中的具体资源，例如一个文件。

URIs are generally used in XML core specifications as system identifiers, which specify a concrete resource, such as a file, referenced from an XML document.

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交互式表单的内容和属性都是由一个交互式表单字典定义的，这个字典引用自pdf文件的文档类别的AcroForm条目。

The contents and properties of an interactive form are defined by an interactive form dictionary that is referenced from the AcroForm entry in the document catalog in the PDF file.

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There was a paper that I wrote with a colleague in globalization and health, and this quote that I--that I'll show you is from that and I'll read it in case it's a little hard to see.

这篇论文是我和一位,研究全球化和健康的同事一起写的,它引用了,我给你们看的就是选自其中,我会给你们念,它不太容易看到

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And here are the words of his that I want to leave you with today from section : 31d of the Apology. Socrates writes "This is what opposes my political activity.

今天的总结要引用他讲的话,摘自《苏格拉底自辩篇》31d段落,苏格拉底写道,“这违背了我的政治活动。

耶鲁公开课 - 政治哲学导论课程节选