优惠汇率
优惠条款 preferential clause; preference clause 优惠汇率 preference rate; preferential rate 优惠的旅游汇价 preferential exchange rate for tourists ..
这种凯恩斯所谓的流动性偏好控制金融证券的价格进而控制利率。
That partly reflects Americans' preference for 30-year fixed-rate mortgages that can be pre-paid without penalty-a difficult sort of asset for Banks to hedge.这也部分反映出了美国人对可以免罚金提前付清的30年期固定利率抵押贷款的偏爱，而这种贷款正是银行很难进行风险对冲资产。
It is found that different types of real-world networks the vertex vanishment follows a strong degree preference, the vanishment rate of degrees also follows a scale-free power-law distribution.通过对不同类型的实际网络中节点消退情况的统计分析发现，实际网络中节点的消退有很强的度偏好，不同度的节点的消退率同样具有幂率分布特征。
