In a syntax-rules macro, define-syntax is the keyword used to define a macrotransformation.
在syntax - rules宏中，define - syntax是用来定义宏转换的关键字。
2
What this form does is defines macro-name to be a keyword used for transformation.
这种形式将macro - name定义为用于进行转换的关键字。
3
The transformation of economic growth form in China from extensive form to intensive form urgently requires the support and coordination of macro economic policies of various kinds.