A:I've come to say goodbye.
我是來跟你告別的。
B:When do you leave?
你什么時候走?
A:I'm catching the 11:00 train.
我趕11:00的火車。
B:Take care of yourself and don't forget to keep in touch.
請多保重,別忘了保持聯(lián)系。
A:Goodbye. Hope to see you again next year.
再見。希望明年能再見到你。