paper trail
柯林斯词典
1. N-SING Documents that provide evidence of someone's activities can be referred to as a paper trail. 个人文档[美国英语]
Criminals are very reluctant to leave a paper trail. 罪犯们非常不愿意留下案底。
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paper trail
剑桥词典
- a series of documents that show a record of your activities
(对某人活动作记载的)纸上跟踪,系列文件,档案 返回 paper trail