https://blog.wongcw.com/2020/05/26/%e6%96%b0%e6%a9%9f%e8%b6%8a%e8%b3%a3%e8%b6%8a%e4%be%bf%e5%ae%9c%e7%8f%be%e5%9c%a8%e6%98%af%e8%bd%89%e5%90%915g%e7%9a%84%e5%a5%bd%e6%99%82%e6%a9%9f%e5%97%8e%ef%bc%9f/
新機越賣越便宜現在是轉向5G的好時機嗎?