They advance by covering their own tracks.
他们总是自己找辙前进。
Behind the wall, Michael pulls the toilet back into position, covering their tracks.
Michael进到墙后，将马桶拉回原位，掩盖他们的踪迹。
SocGen claimed that its rogue trader had been covering his tracks by creating a series of fictitious transactions, using dark arts learned during a spell in middle management.
法兴银行辨称（未能及时发现损失，是因为）这位流氓交易员曾经供职于公司的中后台管理部门，对各种监督程序和技术手段了如指掌。
SocGen claimed that its rogue trader had been covering his tracks by creating a series of fictitious transactions, using dark arts learned during a spell in middle management.
法兴银行辨称（未能及时发现损失，是因为）这位流氓交易员曾经供职于公司的中后台管理部门，对各种监督程序和技术手段了如指掌。
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