模板

引言：Nowadays, there is a growing concern/awareness about [topic].

总结：Some people assert that [summary of the main points], while others argue that [summary of the opposing view].

个人观点：From my point of view, [your opinion].

结论：In conclusion, [reiterate your main argument or position].

句型

What has been delivered to us is that[summary of the main points].

There is a general agreement that[summary of the main points], but there are also differing opinions such as [summary of the opposing view].

As far as I am concerned[your opinion].

In summary[summary of the main points].

To sum up[summary of the main points].

示例：

引言：

Nowadays, there is a growing concern about the impact of social media on young people.

总结：

Some people assert that social media has a positive influence on young people by providing a platform for self-expression and networking, while others argue that it has negative consequences such as cyberbullying and addiction.

个人观点：

From my point of view, while social media does have its benefits, it is essential to be aware of its potential drawbacks and use it responsibly.

结论：

In conclusion, social media is a double-edged sword that can both empower and harm young people, and it is crucial to strike a balance between its use and the potential risks it poses.

希望这个模板和句型能帮助你更好地撰写专四作文的summary部分。