Some spacious first-class carriages could be converted to more compressed second-class ones; pricing may ration demand more effectively at busy times.
一些宽敞的高级车厢可以被改造为更加紧凑的二等车厢。 在高峰期，通过调整定价也能更有效地使需求更显理性化。
The project cost management model that we're applying now is Whole Process Cost Management model using the ration as the pricing basis.
我国目前采用的工程造价模式是以定额为计价基础的全过程造价管理模式。
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