ba·bu /ˈbɑ(ˌ)bu/
  相當于Mr或Sir的稱謂
  Ba·boo, Ba·bu  n.  A Hindu gentleman; a native clerk who writes English; also, a Hindu title equivalent to the English Mr. or Esquire.
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  babu
       n : used as a Hindi courtesy title; equivalent to English `Mr'
           [syn: baboo]