英语词汇discretionary income怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	discretionary income
释义	discretionary incomen.（名词） Individual income that is not allocated for necessary items such as food and shelter.可随意支配的收入：减去如食、住等基本支出后剩下的个人收入
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