But the rate of natural shrinkage of their bad Banks is low and the remaining dud assets are hard to sell at reasonable prices They're called toxic for a reason.
但这些公司的坏账银行自然缩减率很低，且残留的无用资产很难以合理价格出售。这些资产被戏称是有毒的，并非空穴来风。
Brain shrinkage or atrophy is a natural part of ageing but it is known to be accelerated in people with Mild Cognitive Impairment (MCI) – a kind of memory loss and forgetfulness – and Alzheimer's.
其实，随着年龄的增长，脑萎缩或功能性衰退是身体很自然的变化，并不一定是由疾病引起的，但是研究显示，这种自然老化却可以加剧人们患轻度认知障碍（简称MCI，即一种使记忆力衰退的疾病）和老年痴呆症的机率。
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