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.

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。

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"Keep cool" is the first of the rules that are to be remembered in an accident.

“镇静”是事故发生时应当牢记的第一条原则。

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The consist, feature and design rules of the cooling system of air-cool compressors and water-cool compressors are made for various compressors.

针对不同类型的压缩机，对风冷式压缩机和水冷式压缩机的冷却系统的组成、特点、设计原则分别进行了阐述。

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We ask chief executive of the Centre for Brand Analysis and "CoolBrand" council chairman Stephen Cheliotis for his six rules of cool.

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Even if someone has a good eye, experience and knowledge of the rules, only the best umpires have an exceptionally cool head.

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Last year the ultimate cool kid, Hef, showed up at the party and he obeyed those rules.

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