https://www.hkfin-jetso.com/blog/%e9%ab%98%e9%81%94hk2000%e7%a6%ae%e9%81%87%ef%bd%9cciti-%e4%bf%a1%e7%94%a8%e5%8d%a1-ifc-%e4%bd%b3%e7%af%80%e9%a9%9a%e5%96%9c/