问题描述：
请翻译这个句子
One of the many things we take for granted in the twentieth century is the speedy collection and delivery of letters to and from all parts of the world at astonishingly cheap rates.
One of the many things we take for granted in the twentieth century is the speedy collection and delivery of letters to and from all parts of the world at astonishingly cheap rates.
问题解答：
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