The contract has to specify what are the causes of, let's say, death or a situation in which one is covered.

合约中必须指明,合约建立目的，比如说，死亡或者承保的是什么情况。

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Ideally, life insurance is insuring people-- or fire insurance is insuring people-- against independent events, so it's not the fire of London.

理想状态下,人寿保险,或者是火灾险,承保的对象都是独立事件,伦敦大火的例子不在讨论范围

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The theory of insurance is that ideally an insurance company wants to insure independent events.

保险理论就是在理想状态下,保险公司为独立事件承保

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