China has once again showed its ability to change the world with its "four great new (invent)" — high­speed rail, electronic payment, shared bicycle, and online shopping.

China's new­generation high­speed train, the Fuxing Hao, is now one of the (fast) trains in the world, which can travel at a speed of 350 km/h. Besides high­speed rail, China (improve) people's lives in many other innovative ways over the last decade.

Bike sharing, for example, is not new itself. But China has made much more convenient and popular both in China overseas. The leading Chinese bike­sharing companies Mobike and Ofo are now operating in foreign countries such as Singapore and Britain.

And back in China, when riding a shared bike, you can stop (buy) and eat whatever you want (simple) with a tap on your phone. You could easily pay with your smartphone by (scan) the seller's QR code.  Cashless payment has grown into a (choose) for Chinese people — even a pancake seller is using Alipay.

As for Alipay, it was designed to serve the online shopping at first, is now the most ways to make purchases in China. You can buy anything you need without leaving your homes.

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Dear Peter,

……

Yours,

Li Hua