over·seer /ˈovə(r)ˌsɪr, ˌsiɚ/
  監督,工頭
  O·ver·seer n. One who oversees; a superintendent; a supervisor; as, an overseer of a mill; specifically, one or certain public officers; as, an overseer of the poor; an overseer of highways.
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  overseer
       n : a person who directs and manages an organization [syn: superintendent]