path·find·er /ˈpæθˌfaɪndɚ/
  新路開拓者;開創者
  Path·find·er n. One who discovers a way or path; one who explores untraversed regions.
     The cow is the true pathfinder and pathmaker.   --J. Burroughs.
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  pathfinder
       n : someone who can find paths through unexplored territory
           [syn: scout, guide]