(4640期)15年前人们怎么沟通 How did people communicate with each other 15 years ago(无气泡音版)

那年代流行打电话和写信 The phone calls and letters could be the most popular ways during that period of time 人们经常写信 they would certainly go with writing letters and they did it very often in life 没有互联网 Without the internet at that time 人们承担不起 it couldn't be affordable for most of us