准确估计需求和合理分配资源的迫切需要引发了收益管理的出现。

Revenue management arose from the growing need for accurate demand estimates and resource allocations.

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在这一年间，不断调整了估计需求和协调援助项目的程序与方法以便减少空白和重叠。

During the year, procedures and methodologies for estimating needs and coordinating aid projects were constantly refined to reduce gaps and overlaps.

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去年墨西哥的经济比拉丁美洲的任何其他国家都遭受了更大的损失，估计经济萎缩7%，这是因为美国对墨西哥的出口商品，例如汽车的需求骤降。

Mexico's economy suffered more than any other in Latin America last year, shrinking an estimated 7 percent due to a plunge in U.S. demand for Mexican exports such as cars.

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