You can see the convenience of Cocoa at work here: you simply get its new sort descriptors from the table, use them to re-sort the underlying CPDictionary, and then reload the table.
您可以在这里看到Cocoa的便捷性：您只需从数据表获取它的新排序描述符，使用它们来对 CPDictionary 重新排序，然后重新加载数据表。
You can see the convenience of Cocoa at work here: you simply get its new sort descriptors from the table, use them to re-sort the underlying CPDictionary, and then reload the table.
您可以在这里看到Cocoa的便捷性：您只需从数据表获取它的新排序描述符，使用它们来对 CPDictionary 重新排序，然后重新加载数据表。
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