Original sentence: However, many people in the New York metropolitan area (including those in Brooklyn and Queens) colloquially use the term Long Island (or the Island) to refer exclusively to Nassau and Suffolk Counties, which are mainly suburban in character, conversely employing the term the City to mean Manhattan alone
Edited sentence: However, many people in the New York metropolitan area (including those in Brooklyn and Queens) colloquially use the term Long Island (or the Island) to refer exclusively to Nassau and Suffolk Counties, which are mainly suburban in character like much of Upstate New York, conversely employing the term the City to mean Manhattan alone