User Guides: a language grammar can serve as a well-defined and formal way of capturing an architecture, but it is not a good teaching tool.

用户指南：一门语言的语法可以作为获得架构的一种定义良好的正式方法，但是它却并非一种好的教学工具。

youdao

Using a formal grammar to specify the language is in fact the appropriate technique.

用一个形式化语法来确定语言事实上一种适当的方法。

youdao

Direct method is a method of teaching a language through conversation, discussion, and reading in the language itself without translation and without the formal study of grammar.

直接法是指不经过翻译和正规学习语法程序，而是通过用外语谈话，讨论，阅读等手段来教授语言的方法。

youdao

Brown based the grammar for his ten-thousand-word language, called Loglan, on the rules of formal predicate logic used by analytical philosophers.

NEWYORKER: Utopian for Beginners