E-mail is a vehicle of messages, which is vastly quicker than letters. 電子郵件是一種比信快得多的信息傳播工具。
At the time, sending electric signals over wires was the fastest method of sending information long distances. 在那時(shí)，通過(guò)電線(xiàn)用電信號傳播信息，是遠程信息傳播中速度最快的方法。
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