Please leave your briefcase at the security desk before entering the meeting room.

進入會議室前，請將您的公事包寄放在保全櫃檯。

I accidentally left my briefcase with the signed contracts in the taxi this morning.

我今天早上不小心把裝有已簽合約的公事包忘在計程車上了。

Passengers may bring one briefcase or laptop bag on board in addition to their suitcase.

除了行李箱之外，乘客還可以攜帶一個公事包或筆電包登機。