写一篇英语作文80词左右,内容是骑自行车的好处.

There are many benefits riding a bicycle. It's very environmental-friendly since bicyles only require human force to operate. They won't pollute the air with toxic gas. When riding a bike, you are doing physical exercise so it will make you in shape. A bike is also much cheaper than a car, any students could afford a simple bike. And it's very convenient to park.