never mind(*stealing someone else's examples is not nice* • Sovereignty is a dead issue for Quebecers, never mind the rest of the country • Ukrainian families are being put in brand new residential detached properties costing 245,000. There's not enough housing for the Scots, never mind anyone else. Congolians, Afghanistans as well. Charity begins at home. (dailymail.co.uk)ART Vancouver); and that's not to mention(Lululemon, beginning with its first outlet in Vancouver, now has 711 stores. And that’s not to mention the tens of millions of dollars Wilson has poured into philanthropy, mostly Canadian ecological efforts. (vancouversun.com)ART Vancouver)
let alone(Let alone is used after a statement, usually a negative one, to indicate that the statement is even more true of the person, thing, or situation that you are going to mention next. • I can't afford wine, let alone champagne)
not to mention(I think fourteen... of the country's best comedy writers collaborated on the project, not to mention the horde of illustrators and university psychologists... (W. Tenn)); needless to say...
