【科技世界】无现金社会逐步迫近

无现金交易方便快捷，但并非人人都安然使用。KK 与大家谈谈无现金社会是否即将到临。Our Technology World 网站链结 www.kkfung.one

Self-service supermarket in China's Guangdong province with purchases through smartphone payments Source: Credit: Maxim Antonov/AP