Acknowledging
n. 确认；答谢顾客
🗣️ 情景例句
Yes.
是的。
Excuse me, please.
对不起。
If you are lucky enough to get a sleeper, you spend half the night staring at the small blue light in the ceiling, or fumbling to find you ticket for inspection.
即使你走运弄到一个卧铺，夜间有一半时间你会盯着车顶那盏小蓝灯而睡不着觉；要不然就为查票摸索你的车票。