Shardorn,thank you for your reply.I would like to learn form you and teach you,but I'm the first time to italki,I don't know how to practise with partner?Can you teach me?

Thanks! 

Are these sentences correct?

我们应该经常坐公共交通，把车留在家里。

坐公共交通有很多受益：
1.下班/下课后，它可以使你放松。你可以在你的手机上听音乐，看书或者玩游戏。
2. 比你每天坐车更便宜。
3. 你会有一个积极健康的生活方式。比如：你不得不走路或者骑自行车去车站。
4. 它减少污染。
乘坐公共交通还有很多益处。

We should take public transportation more often and leave the car at home.

There are a lot of benefits of taking public transportation:
1. After work/school it can help you relax. You can listen to music, read a book or play a game on your telephone.
2. It's much cheaper than taking the car everyday.
3. You will have a active healthy lifestyle. For example: you have to walk or cycle to the station.
4. It reduces pollution.
And there are a lot more benefits of taking public transportation.

我在伦敦，想练习中文 。

你可以联系我：）you can contact me.