柯林斯詞典paper trail 1. N-SING Documents that provide evidence of someone's activities can be referred to as a paper trail. 個(gè)人文檔[美國(guó)英語(yǔ)] Criminals are very reluctant to leave a paper trail. 罪犯?jìng)兎浅２活?yuàn)意畱下案底。 返回 paper trail劍橋詞典a series of documents that show a record of your activities （對(duì)某人活動(dòng)作記載的）紙上跟蹤，系列文件，檔案 返回 paper trail