一、连接词与过渡短语

表示时间顺序

- at first / first of all / in the beginning

- to begin with / firstly

- finally / at last / in the end

表示因果关系

- as a result of / because of

- consequently / therefore

- hence

表示对比/转折

- on the one hand... on the other hand

- although... yet

- whereas

总结性陈述

- in conclusion / to sum up

- in a word / briefly speaking

二、表达观点与论证句型

提出观点

- In my opinion / It is my belief that

- From my perspective / As far as I am concerned

支持观点

- Both sides are partly right / It is undeniable that

- There is no denying the fact that

反驳观点

- Although more people believe...

- Despite the evidence...

三、描述现象与数据

现象描述

- It is common to hear/see... nowadays

- Recent surveys show that...

数据引用

- According to a recent survey, X% of people...

- The latest studies indicate that...

四、表达建议与结论

提出建议

- It is advisable to...

- We should consider...

总结结论

- In conclusion / To sum up

- Therefore, we should...

五、其他实用表达

强调：

It is crucial that... / It is essential to...

条件状语：If... then... / Provided that...

让步状语：Although... still... / Even though...

以上分类结合了不同场景下的写作需求，建议通过练习将这些短语和句型融入到实际写作中，注意根据上下文灵活调整。