a paper trail
书面记录
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Criminals are very reluctant to leave a paper trail.
罪犯们非常不愿意留下案底。
《柯林斯英汉双解大词典》
You leave a paper trail.
你留下纸张线索。
youdao
His colleagues said that keeping a paper trail was not one of Professor Jones' strong points.
他的同事说，保留书面记录并不是琼斯教授的长处。
In the art world, that's the paper trail that proves a painting or sculpture is not forged or stolen.
VOA: standard.2010.07.26
The key difference is that nonjudicial punishment generates a paper trail and nonpunitive doesn't.
FORBES: A Few Bad Men
Offshore banking by telephone, for example, leaves less of a paper trail for the authorities.
ECONOMIST: Tax raids
Some fear Syrian government retribution if they sign up with the United Nations, creating a paper trail.
CNN: Amid violence, Syrians race to borders
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