With the young unable to afford to leave home and the old at risk of isolation, more families are choosing to live together.
由于年轻人无力离家，老人又有被孤立的危险，越来越多的家庭选择住在一起。
This kind of isolation increases their risk of extinction in the wild, due in part to a higher likelihood of inbreeding.
这种分离增加了他们面临灭绝的风险，其部分原因在于近亲繁殖的可能性更大。
The large building where he was housed served what today seems an odd function: preemptive isolation for children thought to be at risk of catching tuberculosis.
安置唐纳德的大楼有一项今天看起来很古怪的功能：对有感染肺结核风险的儿童进行先行隔离。
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