Menu link option also in page structure

Helo everyone,
I made a new page structure on my site for people who run their own business.
There is the possibility to chose which gradation you have in doing your business:
the options are:
1. Just started
2. Experience for a few months
3. Experience for a few years

Under "just started" there are more options like:
1.1 Who are we?
1.2 Definitions
1.3 What you need to know about taxes
etc.

But what you possibly have noticed already, is that some options also can be used again under "Experience for a few months".
When I use the option Menu Link in the WebsiteBaker menu, the page changes at the two locations at the same time (which is the most important reason I want to use the Menu Link option).
But when I do this, I also lose my position in the page structure.
This means that the visitor sees the collapsed menu and there he also sees that the original page is standing under "Just started" (and the "Experience for a few months" isn't collapsed anymore.)

So I would like to ask, is there a way to solve this problem?
Is it possible to use the link menu option (or another solution) so that my pages change at all locations in the same way, without losing my page structure?

Thanks
Regards
Bougey
(I'm sorry for my low budget English)