We anticipate that there might be a history of abuse or neglect, severe trauma, a fragmented and unstable family, or a pattern of substance abuse.

我们预计到，可能会有虐待史或者被忽略的创伤，一个支离破碎而风雨飘摇的家庭，或者某种物质滥用。

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Computer simulations show that if there is more than one giant planet in a solar system's family, they will perform a kind of gravitational arm-wrestling match, making their orbits unstable.

电脑模拟显示，如果在一个恒星系统中有超过一个巨行星存在的话，它们会上演一场“重力掰手腕”比赛，这会使得它们的轨道变得不稳定。

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A high divorce rate and unstable families are considered a serious social problem, because the family, as the most basic unit of society, affects many aspects of social well-being.

高离婚率和不稳定的家庭关系通常被认为是严重的社会问题，因为作为社会最基本的组成单位，家庭影响到社会各个方面。

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Barnardo's claims some children in Wales are waiting up to 59 weeks in unstable family homes or emergency foster care before a court rules if they will be taken into care.

BBC: Court delays 'damaging' children in care

All told, between external threats, internal divisions, and domestic struggles, the Saudi royal family looks very unstable indeed.

FORBES: An Islamic Revolution In Saudi Arabia Would Send Oil To $300 A Barrel

They included former coalition minister Sarah Teather who, in a statement, expressed concern that the definition of marriage was being changed, which could make family life more unstable.

BBC: Gay marriage: Party leaders hail vote