Traveler: I want to take part in the bus tour. When does the bus leave?
游客：我想乘坐巴士旅游，什么时候发车？

Driver: Let me see, in 5 minuets.
司机：让我看下，5分钟之后。

Traveler: That's fine. I don't have much time to waste.
游客：太好了，我没有多少时间可以浪费了。

Driver: Don't worry. The bus tour is really worth while. You can enjoy the whole city in a single day.
司机：别担心，这巴士是相当值的，你可以在一天内游遍整座城市。

Traveler: How long does the tour last?
游客：旅行持续多长时间？

Driver: It lasts 4 hours from 10:00 t0 14:00.
司机：持续4个小时，上午10点到下午2点。

Notes:
waste让浪费
single adj.单一的