Keep the scope limited; address a small part of your domain and don't try to make the DSL a general programming language.

保证有限的作用域；仅仅解决领域中相应的小部分问题，不要让DSL变成一个通用编程语言。

youdao

As byte code generated from JRuby will run in the JRE, the DSL is categorized as "internal" - which USES a general programming language to create a specific programming language.

因为由JRuby生成的字节码最终会在JRE上运行，所以这个DSL应该被视为“内部”DSL——使用一个通用编程语言来创建一个特定编程语言。

youdao

Its electronic health record is based on a 44-year-old programming language called MUMPS (Massachusetts General Hospital Utility Multi-Programming System).

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