Whether Mr Saleh stays or goes, Yemen will continue to suffer other chronic and potentially explosive troubles.

无论萨利赫下台与否，也门仍要继续遭受其他长期潜在的巨大难题的困扰。

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Doctors become concerned if the troubles are chronic or often interfere with daytime functioning.

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These troubles are made worse by a chronic shortage of manpower.

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