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Often a valley boasted no inn at all, and climbers found shelter wherever they could --

山谷里常常沒有小客棧，登山者只好隨遇而安。

At noon the spaces between the sensors will hide fluctuations that the computer will not know about, tiny deviations from the average.

正午時分，傳感器之間的距離會掩蓋計算機無法知道的波動、任何偏離平均值的變化。

No two sorts of birds practise quite the same sort of flight;

沒有任何兩種鳥的飛行方式是相同的。

and emotional effort needed to comprehend form in its full spatial existence.

在智力和感情上去理解存在于空間的整個形態。

But the chances are against it,

但這種可能性很小。

Normal people tend to forget this process unless and until they are reminded of it.

衰老的過程，不經提起，正常人容易忘記；一經提醒，才會記起。