Gốc:
Firstly, pollution is a big disadvantage in the city. The pollution negatively affects people’s health and evironment. Many people suffer from  problem such as cough, sore throat, flu or asthma, ... Secondly, there are a lot of people and vehicles in the city, so traffic jam is an unvoidable problem. People can’t go to work on time because they are often stuck on the street for hour in rush hour. Finally, high cost of  living is also a serious issue. Nowadays, the development of cities is faster and faster so that prices increased. More and more people find it difficult to live on their salaries when prices are going up all time. Indeed, city life brings a number of difficulties as well as challenges to its citizens.
Sửa:
First, pollution is a major disadvantage of the city.Pollution negatively affects human health and the environment.Many people have problems such as cough, sore throat, flu, asthma, ... Second, the city has a lot of people and traffic so traffic jam is an unavoidable problem.People cannot get to work on time because they are often stuck on the road for hours during rush hour.Ultimately, the high cost of living is also a serious issue.Nowadays, the development of cities is faster and faster so that prices are increasing.It is increasingly difficult for people to live on wages as prices continue to rise.Indeed, city life presents a number of difficulties as well as challenges for the people.
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