The error message gave our IT team a useful clue about why the server crashed.

那則錯誤訊息為我們的資訊團隊提供了一個有用的線索，說明伺服器當機的原因。

The auditor found an important clue in last quarter's expense reports.

稽核人員在上一季的費用報告中發現了一條重要線索。

The tracking number was the only clue we had to locate the missing shipment.

追蹤號碼是我們找到那批遺失貨物的唯一線索。