In recent years． China has been making great progress in technology． A number of inventions have made our daily lives more convenient． Among them， four stand out． They are known as "four new great inventions'' of modern China．

High﹣speed trains China created its first high﹣speed railway line in 2008． Since then，the number of passenger trips has grown by over 30 percent every year． It is reported that high﹣speed train network （网） will connect 80 percent of major cities in China by 2020．China's high﹣speed railway technology is also being used abroad． More and more high﹣speed railways are being set up in foreign countries like Turkey and Russia．

Mobile payment Mobile payment is turning China into a "cashless（无现金） society"．Customers now only need to pay for goods by typing a short password（密码）into certain app like Alipay（支付宝）on their mobile devices（设备）． Users can also pay their bills through Alipay． such as their water and electricity bills． Alipay also allows users to buy things on international websites and apps．

Shared bikes China has surprised the world with how quickly it has spread the shared bikes． Users simply pick up or park a bike on the street through GPS and smartphone apps．China's two leading bike﹣sharing companies， Mobike and Ofo． have been spreading their business to markets abroad． People are riding their bikes in Singapore， the UK and the United States．

Online shopping China has been the world's largest and fastest﹣growing online shopping market． Online shopping now takes15.5 percent of total retail（零售） sales in China． It also helped to create jobs of countryside areas．In 2016， online shopping created than 20 million jobs in countryside areas．

China's（1）
High﹣speed trains	It is reported that 80 percent of major cities in China will（2） 　　by high﹣speed train network by 2020．China's high﹣speed railway technology is also being used abroad．
Mobile payment	China is being turned into a "cashless society"．Customers only need to use mobile apps like Alipay（3） 　　goods or pay water and electrcity bills
（4）	More and more people are enjoying them．Not only people in China but also people in Singapore and the US are using them now．
Online shopping	Chinese online shopping market is growing very fast．And it helped people from countryside to find（5）