The quality of a nation's health-care system did not affect this level of risk, the study authors noted.

研究人员注意到，一个国家医疗保健体系的质量并不影响该风险水平。

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For instance, simple filtration and disinfection of water at the household level dramatically improves the microbial quality of water, and reduces the risk of diarrhoeal disease at low cost.

例如，在家庭层次水的简单过滤和消毒可显著改善水的微生物质量和以低成本减少腹泻病的危险。

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Theory through the audit, to improve audit quality, reduce the risk to an acceptable level.

通过审计理论研究，提高审计质量，把风险降低至可接受的水平。

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Data that is often used includes evaluations of employee personal characteristics such as level of risk taking, leadership aptitude, conscientiousness, orientation toward quality, engagement, and attitudes toward coworkers.

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Even then, professional, regulatory and internal quality and risk management policies generally require second partner reviews and other supervision of even the work of partner level licensed professionals.

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