这意味着宏所使用的所有临时变量都会在替换发生之前自动重新进行命名，从而防止名字产生冲突。
This means that all temporary variables used by a macro are automatically renamed before the substitution occurs in order to prevent them from having conflicting names.
正如其名字所暗示的，lazy - seq宏被用来创建一个惰性序列。
As the name suggests, the lazy-seq macro is used to create a lazy sequence.
有一些其他的宏引用也可以使用，由当前的日期和时间、模块名字、项目名字等等所取代。
Some other macro references are available that are substituted with the current date and time, module name, project name, and so on.
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