it required humans on both ends.

它需要人们在两端
One person would be tapping on the Morse Code on one end and

一个人在一端敲入摩尔斯电码
there would be another person listening on the other end who

另一个人在另一端收听摩尔斯电码
would transcribe it by hand.

再人工地将电码译成文字
So, Edison thought, well there's no reason why

因此爱迪生认为没有理由
it shouldn't be done mechanically at the receiving end,

不能自动地在接收端将电码译成文字
so he invented a sort of automatic typewriter that printed out.

因此他发明了某种能打印的自动打字机
The initial application of it was to stocks because that was--

这个仪器最初应用于股票
that's the kind of information people needed

因为人们需要的信息量
continually on a big basis.

一直很大
He invented this printer

他发明了这个打印机
and it's a little different from modern--

与我们现在使用的有些差别