灰色收入
off-the-books income
例句：
Wen vowed to crack down on and ban illegal income, regulate off-the-books income, and resolutely reverse the widening income gap.
溫總理承諾將嚴(yán)禁和打擊非法收入，規(guī)范灰色收入，堅(jiān)決扭轉(zhuǎn)收入差距擴(kuò)大的趨勢(shì)。
*以上新聞?dòng)?span lang="EN-US">ChinaDaily雙語(yǔ)手機(jī)報(bào)提供
