您已经有了一些来自文法的信息：二元语法格式需要两个switch语句，这两个语句是嵌套在主要部分中的次要部分。

You already have a little information from the grammar: the bigram format calls for two switch statements, which are the minors nested inside the majors.

youdao

您已经有了一些来自文法的信息：二元语法格式需要两个switch语句，这两个语句是嵌套在主要部分中的次要部分。

You already have a little information from the grammar: the bigram format calls for two switch statements, which are the minors nested inside the majors.

youdao