ahead of date 和 date in advance区分

ahead of date 和 date in advance区分 ahead of 和advance 区分 ahead of time ,与 time in advance 区分 in advance 和ahead区别 ahead of和 in advance的区别和用法 in advance 和ahead of schedule的区别 If the arrival is well in advance of the stipulated date of date of birth 和 birth date 英语 in advance 和ahead of time .ahead of schedule.区别. date of 英语听力中day和date怎么区分 on board date和 date of shipment各是什么意思?