We have hired an external auditor to review our financial records this quarter.

我們本季聘請了一位外部稽核人員來審查財務紀錄。

Please do not open attachments from external email addresses without checking with IT first.

在未向資訊部門確認前，請勿開啟來自外部電子郵件地址的附件。

The hotel is repairing its external stairs, so guests should use the main elevator.

飯店正在整修外部樓梯，因此房客請使用主要電梯。