ex·trav·a·gan·cy /-gən(t)si/
  浪費;揮霍
  Ex·trav·a·gan·cy n.; pl. Extravagancies  Extravagance.
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  extravagancy
       n : the quality of exceeding the appropriate limits of decorum
           or probability or truth; "we were surprised by the
           extravagance of his description" [syn: extravagance]