Writing prompt: The Advantages and Disadvantages of Private Cars

Student essay:
In the recent years,the car's industry has taken off, and more and more people have bought cars, it have made a lot of effects, some of them are good, but other of them brought trouble to our lives. Let us talk about the advantages and disadvantage of cars.
Cars bring us mass of conveniences. For example, we do not need to spent too much time waiting for buses. What's more, we can go to many places that we want to go by using cars.
However, there are also many disadvantage of using cars. First it will pollute the city conditions heavily and cause harm to people's health by using cars. Second, the traffic will becomes more and more crowded,especially during rush hour.
In conlusion, the car bring us conveniences as well as trouble. I think, we can use cars , and we should focus on the conditions.

Corrected essay:
In recent years, the car industry has taken off, and more and more people have bought cars. It has caused a lot of effects, some of which are good, but others brought trouble to our lives. Let us talk about the advantages and disadvantages of cars.
Cars bring us a mass of conveniences. For example, we do not need to spend too much time waiting for buses. What's more, we can go to many places that we want to go by using cars.
However, there are also many disadvantages of using cars. First, it will pollute the city heavily and cause harm to people's health. Second, the traffic will become more and more crowded, especially during rush hour.
In conclusion, the cars bring us conveniences as well as troubles. I think we can use cars, but we should focus on the conditions.