The basic tenet of insurance is spreading of risk.

保险的基本原理是分散风险。

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However, the risk of the fires spreading to farms cannot be ruled out.

然而，大火蔓延到农场的风险仍难以排除。

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Over the next couple of generations, many such smallholders will give way to larger, industrial farms, which are generally better at managing the risk of spreading plagues.

在今后的数十年内，许多这样的小农场将被大型工业化农场所代替，这些大型农场一般能更好的控制瘟疫散播的危险。

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It really is probability theory and the idea of spreading risk through risk pooling.

就是概率论,以及通过风险汇聚来分摊风险

耶鲁公开课 - 金融市场课程节选

To be fair, none of the central banks realized that even the saving grace of spreading the risk of new products and innovations (like credit default swaps) would not of themselves prevent those who had been too optimistic from suddenly turning pessimistic.

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The ease of spreading financial risk allowed them to suspend their disbelief.

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Like most commentators (including central bankers), they thought that the economic outlook was stable and that the financial system was doing a good job of spreading risk.

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