white elephant

US 
UK 
  • n.昂贵而无用之物;大而无用的东西;贵而无用的东西;【动】白象
  • Web无用而累赘的东西;昂贵又无用之物;累赘物
Plural Form:white elephants  
white elephant
n.
1.
昂贵而无用之物a thing that is useless and no longer needed, although it may have cost a lot of money
The new office block has become an expensive white elephant.
这座新办公大楼成了昂贵的摆设。

Sample Sentence

Definition:
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