求翻译：风险的波动性可通过把损失风险分散至大批保险合同组合而得以改善，因为较分散的合同组合很少因组合中某部分的变动而使整体受到影响。是什么意思？

The volatility of the risk by the risk of loss is spread to a large portfolio of insurance contracts and improved, because a more diversified contract portfolio is less likely to be affected due to changes in a part of the portfolio of.

The volatility of risk can be spread through the risk of loss to a large portfolio of insurance contracts to improve, because the contract was more dispersed because there are few combinations in the portfolio of a certain part of the change so that the whole is affected.

But the risk undulatory property may through disperse the loss risk to large quantities of insurance contract combination can improve, because the dispersible contract combination is short very much because of combines some part of changes to cause the whole to come under the influence.

Risk of volatility can be passed to spread the risk of loss from a large number of combinations of the insurance contract can be improved, because the combination of a more decentralized contracts rarely due to a certain part of the changes in the group as a whole is affected.

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