Natural-disaster reinsurance is typically based on models incorporating the latest science rather than historical statistics, since extreme events are by definition rare.

自然灾害再保险的模型通常包含最新科，而不是历史统计数据，因为极端事件本质上是罕见的。

But the World Bank has decided that this could be a way to provide some kind of insurance for hurricanes and other natural disasters in the poorer parts of the world.

但世界银行已决定，这可能成为为世界贫困地区提供其他自然灾害某种形式保险的一种途径。