虽然在一些研究中出现不明显的和无规律的呼吸道反应增多的迹象，但这些明显的影响并不具有普遍性。

While there has been a weak and inconsistent signal of increases in reactive airway conditions in some studies, these apparent effects have not been consistently observed.

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伦敦不是座冷漠的城市，也不是特别热情的一个，我欣赏它的无规律性，欣赏它不断推陈出新的观念和生活方式，欣赏人们遇到陌生事物时的不惊不讶。

London is not a passive city or a particularly welcoming one, but I like the lack of rules, the quick turnover of ideas and styles and the cool indifference people have to strangeness.

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关于生产力的研究表明当一周工作40小时以上，表现是毫无规律性。

Studies about productivity declineswhen working more than 40 hours a week surface with disturbingregularity.

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