有两间毗邻的小舍,一边住着快乐,一边住着忧愁,你选择哪一边呢?问题是,这两间小舍通常都关着的,让人不识庐山真面目.没有现成的钥匙,有的只是一块原始的材料.要制成怎样的一枚钥匙,完全取决于你. There are two adjoining cottages, one on which one lives in happiness and one is living with sadness. Which side do you choose? The problem is that these two small houses are usually closed and people do not know the true colors. There are no ready-made keys. There is only a piece of raw material. What kind of key to make depends entirely on you.