从古代起,人们就梦想可以与身在异乡的亲人、朋友自由地沟通、畅谈,从鸿雁传书到现在的电报、电话,可以说基本实现了这个梦想。 Since ancient times, people have dreamed of freely communicating with and exchanging messages with relatives and friends living in different places. From the biography of the goose to the present telegraph and telephone, it can be said that this dream has basically been realized.