departure notice

例句：

1. 1. The airline hassent a departure notice to all passengers.
   航空公司已经向所有乘客发送了出发通知。
2. 2.She received a farewell note from herfriend before leaving for the trip.
   在她离开去旅行之前，她收到了朋友的告别信。
3. 3. The train departed without anypassengers on board.
   火车在没有乘客的情况下离开了车站。