https://www.hkfin-jetso.com/blog/%e8%8d%83%e7%81%a3%e5%bb%a3%e5%a0%b4-x-paypal-%e6%8e%a8%e5%87%ba%e3%80%8c%e4%b8%80%e5%98%9f%e7%ad%8d%e8%b2%b7%e3%80%8dqr-code%e8%b2%a8%e6%9e%b6%ef%bc%81/