You should say:

who this person is

when and where you meet this person

what job does he or she have

and explain why his or her job is important.

I want to talk about my uncle, who is an English teacher in a middle school. I first met him when I was a primary school student. Now, I go to visit him once a week and spend almost the whole day with him. His home used to be within 10-minute walk from my home, which is why I often go there to talk with him. Although he has moved to another city, I still visit him whenever I have time. My uncle is 42 years old now and has been doing this job for nearly 20 years. He is nice to his students and his family members. Because he likes to read a lot of books, and sometimes works till the mid-night, he is shortsighted and has to wear a pair of glasses.

This job is mainly related to working with students. As for my uncle, being a teacher is a chance to share what he knows with his students. To tell you the truth, under the influence of my uncle, I would also like to be a teacher in the future.

The reason why I think my uncle's job is important is that teacher helps people to find out their potentials, so that they know exactly what they can do to help others in society. Also, people learn a lot about the world culture from English teacher. They then in turn show Chinese culture to the world by using English they have learned. This provides a good opportunity for the deeper understanding between China and other countries. Lastly, teacher sometimes solve a lot problems between students and their family members. The better family relationship a person has, the less likely they are to cause problems in society, which helps to build up a more harmonious environment for everybody to live in.

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