They didn't really care about mixed content, attributes, language independence, or other useful characteristics of XML -- they wanted to send datastructures from the server to the client.
他们实际上并不关心混合内容、属性、语言独立性或者其他有用的 XML 特性，他们需要的是从服务器向客户机发送数据结构。
2
Often, the available datastructures within a language define the way the language is used.
通常，一个语言中可用的数据结构定义了语言的使用方式。
3
Often the DSL may be entirely embedded within a general purpose programming language using the datastructures and other features of the language to represent the DSL.