英语翻译中译英：邮件收到,你的来信真是个坏消息,为什么日期总是改来改去?这样下去,我们无法跟我们的客户交代,所以,希望这

The mail receives,your incoming letter really is a bad news,we did not understand,why the date always does change changes?Like this gets down,we are unable with ours customer to confess,therefore,hoped this kind of situation did not must again occur,thanks!