https://www.hkfin-jetso.com/blog/%e9%bb%83%e5%9f%94%e5%be%97%e4%b8%80%e8%b3%9e%e4%ba%8c%e7%8d%8e%e9%80%a3%e7%8d%8e%ef%bd%9cdbs-%e4%bf%a1%e7%94%a8%e5%8d%a1%e9%9b%99%e5%80%8d%e6%8a%bd%e7%8d%8e%e6%a9%9f%e6%9c%83/