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We know that one day we must die,but usually we picture that day as far in the future.我们知道有一天我们会死，但我们总是把那一天想得极其遥远。
It is the same old story of not being grateful for what we have until we lose it,of not being conscious of health until we are ill.我们并不感激我们的所有，直到我们失去了它；我们意识不到我们的健康，直到我们生病---自古以来，莫不如此。
Darkness would make him more appreciative of sight; silence would teach him the joys of sound.黑暗会使人更珍惜光明，哑默会使人更喜慕声音。
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