在英语四级写作中，使用恰当的过渡句可以使文章更加流畅和连贯。以下是一些常用的万能过渡句：

个人观点

Personally, I am standing on the side of...

At an individual level, I feel that...

Isincerely believe that...

But for me, I would rather think of the matter in an optimistic way

对比观点

However, it is not necessarily the case

On the other hand, there are advantages to rural life

In contrast, modern research has found that this is not so

While some people believe... others argue that...

原因和结果

Good intentions alone are not enough

But modern research has found that this is not so

As a matter of fact, health is of utmost importance

It is only when... that...

总结和结论

From what has been discussed above, we may conclude that...

Therefore, to the conclusion that...

In conclusion, the most important thing is...

All in all, what really matters is...

举例说明

For example, for instance, such as

Let me give an example to illustrate this difficult point.

Take... for example...

强调和转折

Yet there are advantages to rural life

However, it is a pity that...

In brief, family planning is of vital importance in China.

这些过渡句可以帮助你在写作中更好地组织思路，使文章更加连贯和有力。根据具体的写作内容和语境，选择合适的过渡句可以使你的文章更加出色。