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Flying and medicine have standards and yardsticks, as well as professional bodies to enforce them.
飞行和医疗行业都有标准的, 还有专业人士帮助他们.
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Most fields of human endeavor have rules, yardsticks, and professional bodies to enforce discipline.
大部分的人类冒险都有原则, 标准, 以及专业人士保证纪律.
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尽管很难选择合适的指标来衡量质量，我还是选出了以下六个指标：
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