macro substitution

基本解释

The second language is a macro language for performing textual substitution.
第二种语言是宏语言，用来进行文字的转换。
The money substitution changes people's demand on money , influences a nation's economy and macro policy effect.
货币替代改变人们对货币的需求，影响一国的经济和宏观政策效果。
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.
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。