Shocks like the Tuesday's after-hours surge will have a more disturbing impact, as buyers suddenly slash their spending, as happened in America after hurricane Katrina disrupted supplies.
After Hurricane Katrina hit in 2005, mail facilities were set up in dozens of locations across the country in the two weeks that USPS was unable to provide street delivery.
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美国人对9/11事件记忆犹新。他们通过电视直播观看了卡特里娜飓风,这是美国历史上损失最惨重的灾难。
With the memory of 9/11 still fresh in their minds, Americans watched hurricane Katrina, the most expensive disaster in U.S. history, on live TV.