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.
溫總理承諾將嚴禁和打擊非法收入，規范灰色收入，堅決扭轉收入差距擴大的趨勢。
*以上新聞由ChinaDaily雙語手機報提供
