up·keep /ˈʌpˌkip/
  維持,維修費
  upkeep
  維持; 維護
  Up·keep n.
  1. The act of keeping up, or maintaining; maintenance of persons, organizations, or objects such as machinery, by providing a location, repairs, and consumable items when necessary. “Horse artillery . . . expensive in the upkeep.”
     Small outlays for repairs or upkeep of buildings.    --A. R. Colquhoun.
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  upkeep
       n 1: activity involved in maintaining something in good working
            order; "he wrote the manual on car care" [syn: care, maintenance]
       2: the act of sustaining life by food or providing a means of
          subsistence; "they were in want of sustenance"; "fishing
          was their main sustainment" [syn: sustenance, sustentation,
           sustainment, maintenance]