请务必提前两天确定您的回程机票的翻译：Please be sure to identify your two days in advance of the return ticket 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

Please make sure your two days in advance a return ticket

Please be sure to identify your two days in advance of the return ticket

Please by all means must ahead of time two days determine your return trip airplane ticket

Please be sure to set two days in advance of your return ticket

Please be sure to identify your two days in advance of the return ticket