fly book的意思|示意

Regular airlines may offer special rates if you book your flights in advance and fly on certain days of the week when they don't expect to have full planes.

如果你提前订好机票，并且在一周中预计不会满员的特定日子乘机出行，通常情况下，航空公司都会提供特价。

If you can fly on a Tuesday or Wednesday, and buy your tickets at least 21 days in advance, I suggest you book a round trip excursion flight.

如果你能在周二或周三坐飞机，并且至少提前21天购票，我建议你预订往返短途航班。

If you can fly on a Tuesday or Wednesday, and buy your tickets at least 21 days in advance, I suggest you book a round-trip excursion flight.

如果你能在周二或周三坐飞机，并且能至少提前21天购票，我建议你预订往返短途航班。