The direct lessons come from the Fukushima Nuclear Power Plant accident after the tsunami and the once-in-a-century great flood in North America.

它的直接背景就是日本福岛核电站海啸危难和北美洲百年一遇的大水。

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The once-a-century flood, however, did not just wash away nearly a third of Cisco’s revenues in a single quarter. It also laid bare the limits of the firm’s business model.

然而，“百年一遇的洪水”不仅在一个季度内就冲走了思科三分之一收入，也暴露了思科商业模式的局限性。

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In May 2011, both Canada and America suffered from a once-in-a-century great flood.

2011年5月，加拿大和美国都遭受了百年一遇的大水。

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The potential for a once-in-a-century subway flood has been a growing cause for concern as sea levels have risen.

WSJ: Salt Water Puts City's Subway System 'in Jeopardy'

The storm also sent water from the Hudson River pouring into the unfinished World Trade Center site a factor that led FEMA to include the area around the complex in the zone considered likely to flood at least once a century.

WSJ: New FEMA flood maps for NYC include WTC site