However, in those days, it was very difficult to send records from one part of the world to another, so it wasn't possible for them to share their information until the electric telegraph became more widespread.
然而,在那个时候,很难将记录从世界的一个地方发送到另一个地方,所以在电报变得更加普遍之前,他们不
能分享他们的信息。