Now imagine that detail available on your iPhone so that when City Tours recommends the attraction, you can book tickets in advance so you don't have to wait in line.

现在，想象一下你可以从iPhone上获取以上详细信息。当City Tours推荐一个景点时，你可以提早订票，无需排队等候。

youdao

It's cheaper if you book the tickets in advance.

预订票要便宜一些。

《牛津词典》

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。

youdao

Plane tickets can be purchased at the airport, but it is best to check the flight schedules and book tickets in advance with agencies such as ezTravel (886-2-4066-6777, ext 9 and then 3 for domestic tickets).

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The event is a sell-out every year, so book tickets well in advance.

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All of these services sell tickets online, so plan and book your travel in advance.

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