First, uniforms help to build the image, culture of each group, class, school. This can be seen as a form of communication . The image of the classroom comes to the community in the most intimate and easy way. Second, the wearing of uniforms brings spiritual value, when everyone is equally touched, regardless of wealth or status. This is very important for students, helping them to be more sociable, more focused on learning, for teamwork and solidarity. In some situations, monotonous uniforms are difficult to meet the needs of each person as well as fashion. . In some situations, monotonous uniforms are difficult to meet the needs of each person as well as fashion .Characteristics of the uniform is in large numbers, group sites should uniforms are not too standard clothes such as normal clothes cause discomfort for the wearer. Sometimes the customers feel bad, lose confidence and the result is that they will not want to use uniforms to feel uneasy mental.

Advantages (Thuận lợi)	Disadvantages (Khó khăn)
renewable energy (năng lượng có thể tái tạo), minimal impact on the environment (giảm thiểu tác hại với môi trường), low cost of operation (chi phí vận hành thấp)	expensive to build and install (chi phí xây dựng và lắp đặt đắt đỏ), unreliable supply (nguồn cung không đáng tin cậy), difficult to generate in large quantities (khó sản xuất với số lượng lớn)

Living in a smart city brings many benefits and disadvantages. In this article, I will present some pros and cons of living in a smart city.

The first advantage of living in a smart city is convenience. Information and communications technology is integrated into urban systems, helping to provide public services more effectively. For example, through mobile applications, people can easily search for information about transportation, destinations, and entertainment activities. Furthermore, the smart traffic system helps reduce congestion and save travel time.

Another advantage of smart cities is energy saving and environmental protection. Advanced technologies are applied to manage and use resources effectively. For example, automatic lighting and temperature regulation in buildings help save energy. In addition, the use of smart public transport and self-driving cars helps reduce polluting emissions.

However, living in a smart city also has disadvantages. One of them is the issue of information security. With the widespread use of information technology, the risk of personal information insecurity and privacy violations increases. This requires strong security measures to ensure the safety of people's personal data.

Another drawback of smart cities is their dependence on technology. If technology systems fail or are attacked, public services could be disrupted. This poses challenges for maintaining stability and ensuring security of smart cities.

In short, living in a smart city brings many benefits such as convenience and energy savings. However, it is also necessary to pay attention to information security issues and dependence on technology. To make the most of the advantages and minimize the disadvantages, smart investment and management from city managers is needed.
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Living in a smart city offers many benefit . First , people avoid the use of private cars and choose electric vehicles to keep the air are fresh . In a smart city , buildings talk to each other by sharing information . For example , flats can their own temperature at the right point . At home , robots cook many delicious food for usn, people live in smart city consume less non renewable like gas , petron ,..etc,they prefer using green energy such as wind energy, solar energy ,.... Computer - controlled transport systems like electric buses and trains will produce less greenhouse gas emissions . Smart city is very liveable and provide a high quality of life to city dwellers.