run-of-the-mine /-ˈmaɪn/
  (a.)粗製的
  run-of-the-mine
       adj : not special in any way; "run-of-the-mill boxing"; "your
             run-of-the-mine college graduate"; "a unexceptional an
             incident as can be found in a lawyer's career" [syn: run-of-the-mill,
              mine run, unexceptional]