第一句：How about playing cards?

　　打扑克这么样？

　　A: How beautiful the scenery is!

　　看景色多美啊！

　　B: Yep. I like travelling by train.

　　是啊。我喜欢坐火车旅行。

　　A: How about playing cards?

　　打扑克怎么样！

　　B: Good idea!

　　好主意！

　　第二句：The service is good, isn't it?

　　服务很好，是吧？

　　A: The service is good, isn't it?

　　服务很好，是吧？

　　B: But it's a pity the snack is expensive. I feel hungry now.

　　但可惜的是小吃太贵了。我现在饿了。

　　A: The train's pulling in. How about getting off and having a rest?

　　火车进站了，下车休息一下怎么样？

　　B: Sure.

　　好的。

　　表达物品昂贵时可以说

　　—It's expensive, isn't it? 很贵，对吧？

　　—It costs you a fortune, doesn't it? 它花了你一大笔钱，不是吗？

　　表达价格合理时，可以说 The price is reasonable. 这个价格很合理。