dispense with
  不用,省卻,免除,沒有也行
  dispense with
       v 1: give up what is not strictly needed; "he asked if they could
            spare one of their horses to speed his journey" [syn: spare,
             give up, part with]
       2: do without or cease to hold or adhere to; "We are dispensing
          with formalities"; "relinquish the old ideas" [syn: waive,
           relinquish, forgo, foreswear]
       3: forgo; do or go without