the quality possessed by something that is excessively expensive
同义词：luxury??/??sumptuosity??/??sumptuousness
excessive spending
同义词：extravagance??/??prodigality??/??highlife??/??high life
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。