Practice 3　　You should spend about 40 minutes on this task.　　Write about the following topic:　　Happiness is considered very important in life. Why is it difficult to define? What factors are important in achieving happiness?　　You should write at least 250 words.

正确答案： 【参考范文】
Throughout the history of human being, people are always pursuing happiness while nobody can give a definition nor can a consensus be achieved. Generally, happiness consists of two levels: material level and spiritual level. As far as I am concerned, spiritual happiness can bring people with greater satisfaction.
To begin with, being happy is not a mood under certain circumstances, but a person with a certain set of attitudes. It is difficult for anyone to get what he wants without a great deal of effort. After making great and arduous effort, even if the target is achieved as expectation, there is nothing left but suffering and pain, because he amplifies the efforts rather than emphasizes the harvests. To reach the happiness they seek, however, the only thing people should do is to change their attitude toward happiness, and the way they look at the world around them.
Moreover, happiness is not what people are born with but what people take action to get. Many people seek their unique happiness through imagination and daydreams. Obviously, everyone fantasies sometimes. But, without actions, no one can come close to finding the happiness he seeks. Happiness and bliss cannot be found merely through unrealistic envision, but must be sought through actions, through doing.
To sum up, although we say that happiness is rooted in optimistic attitudes, it can never be achieved without any effort. It arises spontaneously from within as small goals are reached.

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