It is important for everyone to learn English well in our rapidly developing world.

在这个迅速发展的世界里，对每个人来说学好英语都是非常重要的。

The harder you work at it, the more progress you will make.

你工作越努力，你取得的进步就越大。

If everyone makes a contribution to protecting the environment, the world will become much more beautiful.

如果每个人都为保护环境做出贡献，世界会变得更加美好。

As far as...is concerned

就……而言

It can be said with certainty that...

可以肯定地说

As the proverb says

正如谚语所说的（可以用来引用名言名句）

It has to be noticed that...

必须注意到，...

It's generally recognized that...

普遍认为...

It's likely that...

这可能是因为...

It's hardly that...

这是很难的...

There's no denying the fact that...

毫无疑问...

Nothing is more important than the fact that...

没有什么比这更重要的是…

What's far more important is that...

更重要的是…

A case in point is...

一个典型的例子是...

But the problem is not so simple. Therefore,+句子

然而问题并非如此简单，所以……

That is to say,

也就是说，...

For this reason,

出于这个原因，...

We have reasons to believe （that）...

我们有理由相信（那）...

As a matter of fact,

事实上，...

For example,

例如，...

Besides （In addition）, .. we should

此外，我们应当...

I will conclude by saying...

最后我要说…

It goes without saying that...

不言而喻，...

这些句型在英语写作和口语中都非常有用，可以帮助你更准确地表达观点和想法。建议多练习这些句型的应用，以提高英语水平。