Which expression is preferred? I found in writing the expression
"Not just a ___."
but maybe it is better to write
"Not only a ___."
What do you think? Does it even matter? The context is a very large MNC describing their offers. "We offer not just vechiles, but also..."
In most cases, "not only" and "not just" are interchangeable. Either choice is fine in your example. Take a look at this question.
Merriam-Webster even bundles them together along with merely.
not just/only/merely: something more than
Example: It is not just/only/merely a novel; it is a literary classic.
