Repairing roads, Bridges, the electricity grid and other infrastructure (including flood protection) will be costly, but should at least boost the economy later.

修路，修桥，恢复电力和其他基础设施(包括防洪设施)的开销都十分巨大，但至少它们日后会促进经济增长。

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At the low end, a ping flood can be used to uncover information covertly, but throttle up the packets being sent to a target or victim so that now, the system will go offline or suffer slowdowns.

对于低级的攻击，ping流可用于偷偷地查找信息，但是如果要截取向目标发送的包，则要求系统离线或停机。

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For effective drainage therefore, the entire site should be located above flood level at a minimum of 3 m above the water table, preferably on a gently sloping area.

因此需要注意，为了保证有效的排水，整个地点应当高过洪水水位、高于地下水位至少3米，最好是在地势略微倾斜的地区。

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Meanwhile, when the Mississippi overruns its banks again and it will the only flood coming to Valmeyer will be at the local cinema.

ECONOMIST: By flood and by fire

The Environment Agency said 1, 500 homes in low-lying areas would be at risk from flooding and coastal erosion without the flood defences.

BBC: Flood plans to protect 1,500 Sussex homes

Much more could be done at the local level in terms of upgrading flood defences and, particularly, in forcing property developers to pay the full cost of maintaining those defences.

ECONOMIST: Hurricane Katrina