第一句：How about playing cards?

打扑克这么样？

A: How beautiful the scenery¹ 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 reasonable². 这个价格很合理。