The auditor used a careful regress through old invoices to trace the missing payment.

稽核員仔細回溯舊發票，逆推出那筆遺失款項的去向。

Our support team relied on a step-by-step regress to find where the order failed.

我們的客服團隊靠著逐步回溯推理，找出訂單出錯的環節。

Through a regress of shipping records, the manager located the delayed container's origin.

經理透過回溯運送紀錄，找到了延誤貨櫃的起點。