第一段：重述题目 Nowadays, with the rapid development of technology in many places, the time of life expectancy becomes more and more long.表明立场，说明讨论内容 In my viewpoint, it has both drawbacks and benefits.
第二段: 中心句（宽泛的观点）社会老龄化会加大对社会的负担。Ageing population will bring burdens to society.解释：尤其是经济上面的负担。 Especially this phenomenon causes economic issues.论点一（确切的例子）：需要更多医疗设施，健身场所，公园等,同时拿钱。 city needs more hospitals, medical facilities and some place where people can exercise themselves with a slow way, like parks. As we all know, as the age grows, people are likely to have more ageing diseases, such as heart disease. And only the professional medical place can cure these severe situations. So solution that government has to spend much money in these frustrations will effect the balance of finances in society. Meanwhile, most retired people do not have jobs but they often get allowance form government. Well, other areas, such as education, may can’t have enough money to develop in a high speed. 论点二：Another main issue is the influence of pace work. Actually, the speed of thinking will be slow gradually with the age growing. So in the terms of social development, the atmosphere will be slower affected by old people. But we all know that optimism is good for society not the easy and comfortable.
第三段：中心句 老年人有着不错的经验和智慧。However, ageing population has something that younge people hardly have and those are experience and wisdom. It can produce the value.解释：这点可以用来产生价值。论点一：老年人从事的艺术文化可以增加社会的底蕴。Arts and culture can make the life colorful and also can make the city more attractive. Young people are always busy with their work and study, so they may do not have energy to make the constraction in arts. But old people have time. 论点二：在一些领域，老年人退后任然可以从事这方面的教育指导。
最后一段：立场（详细）老龄化会给社会带来一系列财务支出，但是同时，善加利用老年人的经验和智慧也可以产生价值。所以我们要全面考虑，面对机遇。
