windfall benefit意外: unexpected; unforeseen的: 4次方是 The fourth power of 2 i ...收入: income; revenue; receipts; g ...意外的收入,意外的福利: windfall benefit运输外的收入: nontraffic receipts下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:意外的收入,即可在微信中查询翻译