– Manuscript – Welcome to English in a Minute! Mills process things like grain or make things like steel or paper. But what might "run-of-the-mill" mean? Speaker A: Dan, that is a really, really special three-hole punch.Speaker B: This? It's just a run-of-the-mill three-hole punch.Speaker A: I know office supplies. This is a run-of-the-mill three-hole punch. That … [Read more...] about Run-of-the-Mill (Idioms)