Firstly, pollution is a big disadvantage in the city. The pollution negatively affects people’s health and environment

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.

Mong mn sửa giúp mình bài nay nhanh vì mai mình kiểm tra 1 tiết ạ, thêm hộ mình câu mở và sửa các lỗi sai trong đoạn văn, chỗ nào có thể thay thế bằng cụm động từ thì càng tốt ạ