If we want to know your blood pressure, you put on the cuff, you've got a measure.
如果想知道你的血压,把设备压在手腕处,就得到一个测量值
This kind of knowledge will be the art or craft of the statesman concerned above all with what to do in a specific situation.
这类的知识,将是政治家最关注的艺术,或手腕,在特定情况下要如何做出决定。
Imagine that when everybody's born, on their wrist everybody's born with a natural birthmark that indicates the precise year, day, and time in which they're going to die.
假设当大家出生的时候,手腕上都有一个天生的胎记,它预示了哪一年,哪一天,哪个时候你会死去。
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