Please include a brief justification for each expense when you submit your travel report.

提交差旅報告時，請為每筆費用附上簡短的正當理由。

The manager asked for a clear justification before approving the extra hiring budget.

經理在核准額外的招聘預算前，要求提出明確的正當理由。

There is no justification for charging customers twice for the same shipment.

同一批貨向顧客重複收費，完全沒有正當理由。