三、原因阐释段
【示例一】
①There are many reasons responsible for this phenomenon/case/instance and the following are the typical ones.
② The first reason is that 理由一。
③The second reason is that 理由二。
④The third reason is that/A case in point is that/The typical example is that 理由三。
【示例二】
①There are many reasons to explain/explaining the effect/phenomenon/case/instance.
②The most contributing one is/the main reason is no other than 理由一。
③What is more，理由二）。
④ （理由三）also play a role in this case.
四、建议措施段
【示例一】
①Considering all these reasons/this situation/Confronted with such a problem，I think we need to take some positive measures.
②On the one hand，方法/建议一。
③On the other hand，it is necessary for us to 方法/建议二）。
④Thus/Only in this way，can 总结自己的观点/建议/态度）。
【示例二】
①In order to improve the situation/To sum up the above argument/Confronted with such an issue/problem，we should find several solutions to it/need to take some positive measures.
②On the one hand/For one thing，we should 方法/建议一）。
③On the other hand/For another，方法/建议二）。
④Therefore/Thus/Only in this way，can 段落总结句）。
五、趋势预测段
【示例一】
① Accordingly，it is vital for us to derive positive implications from these though-provoking drawings.
②On the one hand， we can frequently use them to enlighten that 主题）。
③On the other hand，we should be sensible enough to 观点/态度）。
④Only by 段落总结句），and only in this way can we have a brilliant future.
【示例二】
①The effects of
②First，（影响一）。
③More importantly，（影响二）。
④Hence， I believe that we will see a （提出展望）。/Nevertheless，I do not think we will see a （或反面展望）。
which has produced on can be boiled down to two major ones.
