Yeah, there are many explanations about friendship. However, friendship is a relationship that can't be restricted（限制）by definition（定义）. It can only be experienced. True friendship can exist between any two souls, be it between people or animals. It can happen at any moment, to anyone. Even to lifeless things, like a diary, a ball, a friendship can happen.

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　　Then what is your opinion about friendship?

　　Do you think that friendship is important to our life? Why?

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