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These days we often hear that . It is common that .
Why does such circumstance occur in spite of social protects? For one thing ,. For another,. What is more, since ,it is natural that .
To solve the problem is not easy at all, but is worth trying. We should do something such as to improve he present situation, and I do believe everything will be better in the future .
注释：
提出论题
(2)说明现状
(3)理由一
(4)理由二
(5)理由三
(6)理由三引起的后果
(7)解决方法
范文：pollution of environment
These days we often hear that . It is common that
Why does such circumstance occur in spite of social protects? For one thing , . For another, . What is more , since , it is natural that .
To solve the problem is not easy at all, but is worthying. We should do something such as to improve the present situation , and i do believe everything will be better in the future .
