Of course, one complication with stimulus spending in a rapidly ageing country is that long-term supply isn't the problem.

当然，刺激迅速老龄化国家扩大内需的一个复杂性在于，长期供应并不是问题。

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Research suggests that the reason for this could be the ageing effects of stress, and the persistent relaxation of facial muscles which can be an effect of long term anti-depressant use.

研究表明这种现象的原因可能是紧张导致的衰老效应，而脸部肌肉的持续松弛可能是长期服用抗抑郁药物的结果。

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Cutting calories may delay the ageing process and reduce the risk of disease, a long-term study of monkeys suggests.

通过对猴子的一项长期研究显示，削减热量可能延缓老化过程，降低疾病风险。

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This, the inevitable result of a pay-as-you-go system in an ageing population, is the cause of the programme's long-term financial problems.

ECONOMIST: Social Security reform ventures out in the open

Few are more vexed in ageing Britain than how to pay for long-term care for the elderly.

ECONOMIST: The answer is postponed once again

There is also widespread concern about the long-term costs of today's fiscal props for a rapidly ageing economy.

ECONOMIST: Rebalancing the world economy: Germany