The training department hired a guest lecturer to teach new employees about workplace safety.

訓練部門聘請了一位客座講師，為新進員工講授職場安全。

Please email the lecturer the updated schedule before Friday's finance workshop begins.

請在週五財務研習會開始前，把更新後的時程表寄給講師。

Our hotel conference room is reserved for a visiting lecturer from the business school.

我們飯店的會議室已預留給一位來自商學院的客座講師使用。