with the economy growing quickly ,people "s living standards are rising and more and more people are buying cars ,which become a fashion and bring us great convenience, however,environmental pollution and traffic jams caused by cars are also very serious

what can we do with these problems then .As far as I know ,riding bicycle is a good solution because riding bicycle can be of great benefits to people ,

therefore let"s take action to ride bicycle I believe that we must build up a low-carbon life around us