保单持有者是一个Boolean标志。

Policy holder is a Boolean flag.

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他们的温床根本不是被保单持有者所滋养。

Their nurseries are not exactly brimm in g with future policyholders.

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期权能使其持有者在市场风险下获得稳定收益，保单能使其持有者在损失风险下保持原有的财产价值。

Stock option can help its holder to get stable profit under market risk and guarantee policy can help its holder to maintain his vested value on subject-matter under loss risk.

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