当你发出电传时，你在你的电传机上打出的电文同时会在另一端的电传机上打出来，因此一份电传的电文是同时产生于发送与接收两端的电传机上的。

• When you are sending out a telex,what you type on your machine is typed at the same time on the machine at the other end,so that a printed copy of the telex message is produced simultaneously at both the sending and receiving ends.