The pricing formulae for copper, which allow buyers to set prices after the cargo arrives, as well as the extensive use of hedging instruments, have helped blunt some of the price gyrations.
铜的定价模式和对冲工具的广泛运用缓和了价格波动，这种模式允许买家收货后再定价。
It is not intended to be areplacement for existing cargo services, but should allow NASA to establish anunderstanding of the full capacity and pricing of the proposed crewtransportation system.
它的目的不是要替换现有的货运服务，但应该使NASA建立一个理解的充分完全的能力以及建议的乘员运输系统的定价。
Air passenger pricing is always a sensitive topic of air transport, so is air cargo transport.
航空客运定价始终是航空运输敏感的话题，货物定价也存在该问题。
Air passenger pricing is always a sensitive topic of air transport, so is air cargo transport.
航空客运定价始终是航空运输敏感的话题，货物定价也存在该问题。
应用推荐