联系我们遥远的亲人只需通过几秒钟的时间拨通电话，两百年前这需要写信并通过长途跋涉的传递。
Contacting friends and relatives who are far away requires the touch of a button, two hundred years ago it required writing a letter.
联系我们遥远的亲人只需通过几秒钟的时间拨通电话，两百年前这需要写信并通过长途跋涉的传递。
Contacting friends and relatives who are far away requires the touch of a button, two hundred years ago it required writing a letter.
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