资料来源 : pyDict

实际,实用,实用主义,实物

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Practicality \Prac`ti*cal"i*ty\, n.
   The quality or state of being practical; practicalness.

资料来源 : WordNet®

practicality
     n : concerned with actual use rather than theoretical
         possibilities [ant: {impracticality}]