—I feel sick, Mum.

—______.

In recent years，a number of Chinese technological innovations(科技创新) have been making waves around the world. Among them, four stand out. They are known as "four new great inventions" of modern China. They are changing people's daily life.

High­speed trains

By the end of 2019, China had the world's largest high­speed railway network. More than 2,500 high­speed trains are running across China each day.

Mobile payment

The mobile payment has been a part of Chinese people's everyday life because it makes their lives easier. "My wallet is no longer in use. I can buy and eat anything I want simply with my smart phone," said a college student. "Even vegetable sellers are using the mobile payment."

Shared bikes

The shared bike is not new itself, but the bike sharing in China is really cheap and green. It allows users to pick a bike anywhere in the city and leave it anywhere at the end of the journey.

Online shopping

You are out if you have never shopped online. Now you can buy almost everything from websites like Taobao and JD. You can get what you've bought within a few days. China's online shopping makes many foreigners feel excited and surprised.