三、新四大发明
Four New Great Inventions
中国经济社会的发展不仅表现在大型基础设施建设和高端装备的制造上，还体现在贴近普通民众日常生活的方方面面，其中就包括了扫码支付、高铁、共享单车和网购等“新四大发明”。它们极大地方便了人们的日常出行，提升了购物的便捷性和体验。
China’s economic and social development is not only reflected in the construction of large-scale infrastructure and high-end equipments, but also in the aspects of daily life of ordinary people, including the “Four New Great Inventions”, such as QR code payment, high-speed rail, shared bicycle and online shopping. It greatly facilitates people’s daily travel and enhances the convenience and experience of shopping.
（一）扫码支付
QR Code Payment
扫码支付是一种基于账户体系搭起来的新一代无线支付方案，具有简单、快捷、高效和安全等特点。在扫码支付方案中，商家可以把收款账号、商品价格等交易信息汇编成一个二维码，并发布到网络、报纸、杂志、广告、图书等载体上。用户通过手机客户端扫描二维码，便可实现与商家账户的支付结算。最后，商家根据支付交易信息中的用户收货地址、联系资料，就可以进行商品配送，从而完成交易。
QR code payment is a new generation wireless payment solution based on the account system, which is simple, fast, efficient and safe. In the QR code payment scheme, the merchant can compile the transaction information such as the payment account number and the commodity price into a two-dimensional code, and publish it to the network, newspaper, magazine, advertisement, book and other carriers for publication. The user can scan the two-dimensional code through the mobile phone client to realize payment settlement with the merchant account. Finally, according to the user’s address and contact information in the payment transaction information, the merchant can carry out the goods distribution and complete the deal.
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