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)

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.

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   People have differing views on being an only child. This essay will discuss in detail the advantages and disadvantages of being the only child in the family. On the one hand, this state helps you not expected to live up to the standards of older siblings. If you are the only person, you will not have to be under pressure in study, toys, and undivided love from parents and others. In my opinion, this advantage really conducive and help you always feel restful in your life. On the other hand, when you have some small circumstances which don't want to talk about with your parents but you also want to receive advice, you can give a word to older siblings. They may solve that, this love is extremely special which only the small child in the family gets. In conclusion, being the only child in the house have many pros but also cons. Whichever you are in any house, you should be feeling content 

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Intelligent Robots play a vital role in modern days. Besides benefits, we must consider disadvantages when using them.

First, look at the most positive points. Thanks to robots and A.I technology, the number of workforce can be reduced but the production even increases more, especially in the manufacturing industry. The robots can perform the tasks faster than the humans and much more consistently and accurately. They can work at places 24/7 without any salary and food. Additionally, they don’t get bored. In medicine, they helps doctors to diagnose diseases, do the surgeries, especially tiny surgeries with highest accuracy. In some hospitals, the robotic pets can help the patients with depression and they keep them active.

On the contrary, robots bring about some troubles. First and for most, training is needed to operate the system, so we need to pay for scientists and trainees, maintenance and reparation expenditure, which raise the cost overall. Another point I’d like to mention is the machine malfunction, which creates lots of troubles and confusions, and even sometimes lead to unexpected accidents. It’s reported that a robot in a car manufacturing factory killed a worker. This results in a worrisome of people using A.I for medical purposes. Furthermore, the robots are not able to act any different from what they are programmed to do. With the heavy application of robots, the humans may become overly dependent on the machines, losing their mental capacities. If the control of robots goes in the wrong hands, the robots may cause the destruction.

In conclusion, I suppose that we need to take advantages of A.I to make our life better, but remember its dangers and risks to take precaution timely.

What are the pros and cons of being the only child? There are some options in this subject. Some children feel well withouth siblings but others dream about a brother or a sister.

One of the main advantages of being the only child is that your parents pay attention only to you. You are the most important person in their lives. Parents do everything for you. For example, if you want a new toy or some clothes they go to a shop and just buy it for you. Moreover, you have everything for yourself. You do not have to share the room, the computer and any other things. What is more you get more presents or more money. In addition to that, there is no person to quarrel with. You are alone and no one can take your things and do something wrong with them. No one disturbs you. You are a family 'pet' and you get all parential love.

On the other hand there are also some disadvantages. First of all, the only children are very spoiled and selfish. They are used to thinking that they are the most important people so they must have everything only for themselves. When something is not going according to the way they planned it, they get angry. But it is not all. Being the only child means that parents put preassure on you. You have to still prove that you are the best. You have to het a A for every classroom test otherwise your parents will be disappointed with you. Last but not least, the only child may sometimes feel lonely. Other children can go out with siblings - for example to a disco, to friends or even to school. The only child must go solitary or with friends, although it is not the same. They have nobody who can borrow them some clothes or other things.

To sum up, being the only child has many advantages but also a lot of disadvantages. Being such a child can be good, although in my opinion these people feel lonely and sad. Personally, I do not want to be the only child.