每个人都有一间指定的房子，兄弟之间则共有一间房子。

Each person had a designated hut; brothers were allowed to share a hut.

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如果数据分析扩展到第一次注射疫苗之后，则共有87名受试者出现戊型肝炎，疫苗的有效性将从95.5%下降到88.5%。

When the analysis was expanded to include all 87 subjects who developed hepatitis E after the first vaccine dose, the efficacy dropped from 95.5% to 88.5%.

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行为遗传学家则把能带来这种效应的环境称为“共有(环境)(shared)”，因为这种环境对那些在一起成长的兄弟姐妹而言是共同的。

Behavioral geneticists refer to such environmental effects as "Shared" because they are common to siblings who grow up together.

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