And that is all that’s needed to explain Christ is both divine and human. No confusing non-Biblical title that Rome says you have to believe.
To bad you weren't there at Ephesus to demand of the entire Christian world of the 5th century---- now known as Catholic, Eastern Orthodox, Coptic, Ethiopian, Armenian, Syriac, Eritrean, etc.-- that they've gotta use your words, because it takes too much work for you to get the gist of theirs.