当支持样式的浏览器程序解释页面时，它会对样式表中的规则和 HTML 代码中的元素进行匹配，并根据规则显示页面。

When a style-capable browser program interprets the page, it matches the rules in the style sheet with the styled elements in your HTML code to display the page.

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这样的语言通常是解释型的：组件在技术上的实现包括一个解释器，用来对运行的程序进行参数化。

Such languages are often interpreted: the component implementation technically consists of an interpreter that is parameterized with the program it should run.

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策略引擎本质上是一个可理解用简单的策略语言编写的程序的小解释器。

The policy engine is essentially a small interpreter that understands programs written in a simple policy language.

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So the interpreter is simply operating directly on your code at run time.

因此解释器在运行程序的时候,会直接的对你的代码进行操作。

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