求翻译：Televisions are like books or films. A child can learn bad things and good things from them . Some programs（节目） help children to understand the news, others show people and places from other countries or other time in history. With television a child does not have to go to the zoo to see animals or to the ocean to see a ship. Boys and girls can see a play, a concert or a game at home.是什么意思？

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