我要买一张优待票代替。

I'd like to buy an excursion pass instead.

我想买一张优待票代替。

I'd like to buy an excursion ticket instead.

在周围的餐吧或私人餐馆就餐会得到两张半价优待票：价廉物美的食物和一个结识当地人的机会。

Dinner at a neighborhood pub or individually owned restaurant offers another kind of twofer: inexpensive, good food and a chance to mingle with locals.