航空公司在决定执行这些规定时没有事先通知任何人，这给旅客带来了很多麻烦。
When the airlines decided to enforce these rules without giving anyone a heads-up, it created a lot of problems for travellers.
没有事先通知您，真对不起。
以及如何将你觉得你失去了所有的，如果没有事先通知？
And how would you feel were you to lose all of that without prior notice?
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