language for specific purposes

• 专用语言

language for specific purposes的用法和样例：

例句

1. Since languages are just sets of strings, this book will talk about sets and the associated concepts of relations and functions, using yet another special-purpose language.
   由于语言只不过是字串集合，所以本书使用另一种专用语言来讲述集合和与集合有关的概念，如关系和函数。