所有机票都可qk改签和退票的翻译：All ticket refund will be checked and modified 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

All tickets can be altered tickets and refunds

All ticket refund will be checked and modified

All airplane tickets all may change sign and return a ticket

正在翻译，请等待...

All ticket refund will be checked and modified