(4640期)15年前人们怎么沟通 How did people communicate15 years ago

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