一、引出话题类
现象描述 - It is well-known to us that...
- As far as my knowledge is concerned, ...
- Nowadays, the issue of... has been brought into focus.
问题提出
- With the development of society, more and more problems are brought to our attention, one of which is that...
- Recently, the problem of... has been brought into public attention.
二、观点论述类
辩证分析
- As to whether it is a blessing or a curse, however, people take different attitudes.
- On one hand... On the other hand...
解决方案
- In order to solve the problem of... we should...
- It is necessary to take a series of measures to...
三、现象解释类
原因分析
- The overuse of plastic bags is always a major problem in China.
- There are many reasons explaining the rise of...
结果影响
- This phenomenon has led to...
- As a result, we can see that...
四、结尾总结类
归纳结论
- In conclusion, we should...
- Therefore, it is not difficult to draw the conclusion that...
展望未来
- Looking ahead, we can expect...
- We are on the verge of a new era full of opportunities.
使用建议：
灵活运用模板： 模板需结合具体话题调整，避免生硬套用。2. 注意衔接
