Age is naturally a factor—only 58 percent of Generation Ys still use landlines now and then, compared to 84 percent of Baby Boomers who've perhaps had the same home number for 50 years.
年龄自然是一个因素，现在只有58%的 Y 世代的人们还时不时地用到座机，相比之下，有84%的婴儿潮世代的人们，家里的电话号码已经50年没有变了。
2
But copper landlines are now an obsolete technology.
但是铜质电话线如今已成为过时的技术。
3
Many people are getting rid of their landlines entirely.