第二种方法比全局分类稍微好一些，是利用分类的总体概念并将其递归应用。
A second approach, slightly more refined than global categorization, is to take the entire concept of categorization and apply it recursively.
第二种方法比全局分类稍微好一些，是利用分类的总体概念并将其递归应用。
A second approach, slightly more refined than global categorization, is to take the entire concept of categorization and apply it recursively.
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