pli·an·cy /ˈplaɪən(t)si/
  柔軟,柔順
  Pli·an·cy n. The quality or state of being pliant in sense; as, the pliancy of a rod. “Avaunt all specious pliancy of mind.”
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  pliancy
       n 1: the property of being pliant [syn: pliantness, suppleness]
       2: the quality of being easily adaptable [syn: pliability, pliantness]