Nice to meet you!

 Hello!

I am Kayoko Sakaguchi.

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Freetown

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     Hello, everyone! Today, I'll introduce 'Freetown', a city which is located in Sierra Leone. I knew this city in TED daily talks. The speaker was Yvonne Aki-Sawyerr, who has been the mayor of the city since 2018.           She talked about her plan to plant a million trees on her city in next two years . Can you imagine why has she been planning such project?... The reason why she wants to plant so many trees comes from her own experience. As a matter of fact, she had been not interested in such environmental movement at all before December 2015. 2015 was the last year of the Ebola outbreak, so she could notice what happened to environment in Freetown after the outbreak.     She noticed that a lot of lush forest which had been in Freetown were disappeared because of climate change and deforestation to make people's houses. Also, there is a massive landslide in August 2017 in her city. She took it all in (it means that she under...
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Why some people bully others?

     Hello, everyone. As you know, there are a lot of incidents related to bullying around the world. A few years ago, the fact that some teachers had been hard on one of their colleges in Kobe was broadcasted, and many people were surprised and angry. As we grew up, we learned that it is bad to bully someone in terms of moral. However, I don't think that the number of bullying in schools or offices decreased for the last decade.      Why human bully others? Today, I'll introduce two answers to the question in below paragraph.      First reason is that those who bully someone are suffering from the idea that they are inferior to others in many points, and they want to think that they are excellent for humankind. By bullying, people can show their strength (of course, it is false strength), and they can make friends or subordinates of them. We human are social animal, so when we can feel that we are members of people, we also feel sense of saf...
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How to Sleep Well

     Hello, everyone! Today, I'll introduce about quality of sleep. Do you sleep well these days? I think that you sometimes cannot even though you know it is important to sleep because of some problems. However, you can get the same effects any time as 7 hour's sleep if you improve your quality of sleep. On the contrary, if you are sleep despite of your long time sleep, you maybe cannot recover from physical and mental tiredness.     Thus, I will explain how to improve our quality of sleep in following sentences. There are 6 significant points.     First, we have to know our own good sleeping time. Have you ever heard "REM Sleep" and "Non-REM Sleep"? If we can wake up during REM Sleep, we can get up comfortably. Also, REM Sleep appears every 90 minutes, so it is good to decide our sleeping time to 4.5 hours, 6 hours or 7.5 hours.      Second, we should not eat anything from 3 hours before we sleep. This is because if we take food, the f...
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