What is the optimal pricing scheme?

最佳的定价方案是什么？

A popular petition scuppered plans for a national road-pricing scheme.

一项受欢迎申请书破坏了全国道路定价方案的计划。

It follows a conventional privatisation model. Its pricing scheme seems transparent.

它遵循了常规的私有化模式，其定价体系也似乎具有透明度。

What other country would even be thinking about a "national" road-pricing scheme?

其它的国家对于一个全国化的道路征税计划甚至会想些什么呢？

A novel smart market pricing scheme is put forward based on DiffServ network model.

基于区分服务的网络模型，提出了一种新的灵活市场的定价策略。