With the improvement of our living standard, more and more people can afford a car.As a result, our roads are more often than not crammed with cars.However, with more and more waste gas being discharged by the cars, the problem of air pollution becomes even more serious.So nowadays we advocate to lead a low-carbon life.

　　与我们的生活水平的提高,越来越多的人都买得起汽车的。因此,道路往往没有堆满了汽车。然而,随着越来越多的废气排放是汽车、空气污染问题变得更加严重。所以现在我们提倡过低碳的生活。