We'll show you how to use these two features to combine notebooks.
At first, Right click on the source notebook (Here is "Notebook 2" notebook), in the pop-up right-click menu, click the "Copy Notebook Structure" menu item.
It will copy the structure of the current notebook.
After copied the structure of the source notebook,
Right click on the target notebook, it will pop up menu, at this time, we can see the menu item "Paste Structure to Notebook" will be lit and enabled.
Click its submenu "Paste Structure to Notebook with Pages".
Gem will copy the structure and pages of source notebook "Notebook 2" to the target notebook "Local Notebook".
The target notebook retains the structure and pages of the source notebook.