The mobile phone is an excellent invention but it has some advantages and disadvantages. Firstly, whenmy parents were young mobile phones didn't exist so they had to communicate by writing letters which took a long time. Nowadays, we can send messages all over the world in seconds! Secondly, it's a good advantage because if there is anemergency you can make a call from anywhere. And thirdly, you can use the web or the GPS if you need to. However, there are also some disadvantages such as new mobiles can be very expensive and could get lost, stolen or broken. Moreover, if parents don't control their children they might use bad social networks so i'ts important thaht children must be carefully controlled.
Uniforms are a great invention but have some advantages and disadvantages.
Firstly, when my parents were small uniforms were required. Nowadays, only private schools carry mandatory
uniform. Secondly, it is a good advantage because there is less
discrimination. And thirdly, are funny. However, there are also some disadvantages. For example, they are expensive and go against freedom. In conclusion, I think they should put uniforms in public schools.
Studying abroad is a good invention but has some advantages and disadvantages. Firstly, some years ago not travel because there was no
public transport. Nowadays, if you can travel without problems! Secondly, it is a good advantage because you can find work. And thirdly, you can meet new people. However, there also some disadvantages. For example, it costs a lot of money and miss your family. In conclusion, I think that traveling abroad is a good idea.
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