The sorting of garbage has many advantages. It can not only protect the environment, but also1wasting the useful rubbish. So people have come up with many good2to sort their rubbish.
A UK company invented a "smart dustbin" to help with waste sorting3. People just need to drop their waste into the dustbin. A camera and sensors（感应器）in the dustbin can tell what type of rubbish it is and correctly sort it.
South Korea is using a way called "Pay For Your Waste" to4its people to reduce food waste. When throwing away rubbish, there is a special dustbin for food waste only. The smart dustbin then tells the5 of the food. People have to pay for their food waste by scanning（扫描） a barcode（条形码） on the dustbin. If they throw away 6 food, they will pay more.
Japan does best 7waste sorting in the world. They sort waste so carefully that even plastic bottles and their caps go into different dustbins. Different types of paper8have their own dustbins.
China is improving its waste sorting skills. On July 1, 2019, Shanghai introduced waste sorting rules. If someone does not follow these rules9them. Shanghai also works with Alipay to10 "green accounts（账户）" service for its residents （居民）. If you sort the garbage correctly, you will get more gifts.
