Syntax and Semantics（语法和语义）

After that whirlwind tour, we’ll settle down for a few chapters to take a more systematic look at the features you’ve used so far. I’ll start with an overview of the basic elements of Lisp’s syntax and semantics, which means, of course, that I must first address that burning question…

在一阵旋风似的介绍之后，我们将坐下来用几章的篇幅对已经用到的那些特性来一次更加系统化的介绍。我将从对 Lisp 的基本语法和语义元素的概述开始，这意味着我必须先回答下面问题……