What this means in the insurance context is that if you offer insurance policies you will tend to attract people who are higher risk.

保险中选择性偏差的意思是,如果你提供某个险种,吸引的是承受该险种风险较大的人群

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So, when we're talking about the idea of electronegativity, essentially what we're talking about is the ability for an atom to attract electron density from another atom.

那么，当我们在讨论电负性这一概念的时候，本质上我们讨论的是一个原子的吸引能力,用来吸引另一个原子的电子密度的。

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