We apologize for the inadvertent error in your invoice and have issued a corrected copy.

對於您帳單上的無心之失，我們深感抱歉，並已寄出更正後的版本。

The manager inadvertently forwarded the confidential salary report to the entire sales team.

經理不小心把機密的薪資報告轉寄給整個業務團隊。

An inadvertent delay at customs caused the shipment to arrive two days late.

海關一次意外的延誤，導致這批貨晚了兩天才送達。