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https://gogowechat.com/2017/11/24/wechat-pay-hk-%e9%a6%99%e6%b8%af%ef%bc%9a%e8%88%87%e6%b8%af%e9%90%b5%e5%90%88%e4%bd%9c%e3%80%80%e9%9b%bb%e5%ad%90%e6%94%af%e4%bb%98%e8%b2%b7%e8%bb%8a%e7%a5%a8/
WeChat Pay HK 香港:與港鐵合作 電子支付買車票