通常你必须在飞机起飞前24小时之内，要再次向旅行社确定预定的机票的翻译：Usually you have to in less than 24 hours before the plane took off, once again to the travel agencies to determine plane reservation 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

Usually you have 24 hours before the plane took off again to travel agents to identify pre-ticket

Usually you have to in less than 24 hours before the plane took off, once again to the travel agencies to determine plane reservation

Usually you must before the airplane launching within 24 hours, have once more to determine the predetermined airplane ticket to the travel agency

Usually you have to be 24 hours before the flight departure time, you want to once again set to the travel agency reservation of air tickets

Usually you have to in less than 24 hours before the plane took off, once again to the travel agencies to determine plane reservation