Its grammar is simple.

它的语法很简单。

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For this simple example, the grammar is a basic pick list of drinks; that is, the user can say one of "coffee," "tea," "milk," "soda," or the word "nothing."

对于这个简单的示例，语法是一个基本的饮料挑选列表；也就是说，用户可以说出“coffee”、“tea”、“milk”、“soda”的其中之一，也可以说“nothing”这个词。

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Since the grammar of JSON is fairly simple, you can implement such a parser easily without any noticeable performance difference.

由于JSON的语法相当的简单，您可以轻易地实现这种解析器，而不会带来显著的性能差异。

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