2005年，为应对卡特里娜飓风，美国邮政管理局将把新奥尔良收到的邮件改寄到休斯敦现存的邮局。
In response to Hurricane Katrina in 2005, USPS redirected incoming New Orleans mail to existing mail facilities in Houston.
举一个国内的例子是国家邮局；私人邮政企业对第三类的邮件的收费比国家邮局低一半，但仍可以从中盈利，而国家邮局却在赔钱。
A domestic example is the post Office; private postal companies make a profit delivering third-class mail at half what the post Office charges to deliver it a loss.
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