But you do need to reserve a seat.

但是你得预订座位。

If they do, you reserve a seat, they take you to the airport.

如果有，就订位，他们会载你到机场。

Let me see. Yes, that one still has seats available. Would you like me to reserve a seat for you?

让我看看。是的，那个航班还有空座位，您想让我帮订一个座位吗？

And we have to pay another fee to reserve a seat.

安东：而且我们必须另外支付费用才能预订座位。

Federica says, " I didn't realize it either." Anton continues, " And we have to pay another fee" – that is, more money – " to reserve a seat."

Federica 说， “我也没有意识到。 ” Anton 继续说道，“而且我们必须支付另一笔费用” ——也就是说， 更多的钱——“才能预留座位。

" To reserve a seat on an airplane" means to select your seat so that when you get on the airplane, that seat is already yours – no one else can sit there.

“在飞机上预定座位”是指选择你的座位，这样当你上飞机时，那个座位已经是你的了——没有其他人可以坐在那里。

As Huang couldn't reserve a seat at the library nearest to her home, so she pays about 10 yuan per hour for a seat in a study room, a price that is acceptable to her.

由于离家最近的图书馆订不到位，自习室的位子每小时10元左右，这是她可以接受的价格。