https://www.hkfin-jetso.com/blog/%e6%84%9f%e6%87%89%e5%bc%8fmastercard-%e4%bf%a1%e7%94%a8%e5%8d%a1-%ef%bc%8d-%e7%99%be%e4%bd%b3%e7%b0%bd%e8%b3%ac300%e5%85%83%e6%9c%80%e9%ab%98%e5%9b%9e%e8%b4%8850%e5%85%83/