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While urbanites enjoy frictionless transactions, the decline of cash infrastructure threatens to exclude older and rural populations who rely on physical currency. 虽然城市居民享受着便捷的无现金交易，但现金基础设施的衰落却有可能将依赖实体货币的老年人和农村人口排除在外。

Is China's financial future leaving vulnerable groups in the past? 中国的金融未来是否将弱势群体抛在了身后？

physical currency 现金 money laundering 洗钱 make the deposit 去银行存钱