文章首句话表达“众所周知”

It’s well-known thatAs far as we knowAs everyone knowsIt is known to us all that【例句】As we all know, Zhang Yishan was a child actor. 众所周知，张一山是童星出身。As we all know, books are close friends of humanity.众所周知，书籍是人类的朋友。（《英语专业四级写作满分模板》）As we all know, President Trump is pro-Brexit.众所周知，特朗普总统支持英国脱欧。

文章结尾总结
All in all 总的来说In a word 总而言之As a result 结果In short / In brief 简而言之In conclusion 总之In general / summary 总之In the end / Finally last of all 最后On the whole 总的来说

一些万能句子

引出话题的句子
　   Recently, the problem of… has aroused people's concern. 　　最近，……问题已引起人们的关注。 　　Nowadays, overpopulation has become a problem we have to face. 　　如今，人口过剩已成为我们不得不面对的问题了。 　　A lot of people seem to think that… 　　很多人似乎认为……

结尾的句子
　  Taking all these factors into consideration, we naturally come to the conclusion that… 　　把所有这些因素加以考虑,我们自然会得出结论…… 　　Taking into account all these factors, we may reasonably come to the conclusion that… 　　考虑所有这些因素,我们可能会得出合理的结论…… 　　Hence/Therefore, we'd better come to the conclusion that… 　　因此,我们最好得出这样的结论……

提出建议的句子
　　Here are some suggestions for handling… 　　这是处理......的一些建议。 　　The best way to solve the troubles is… 　　解决这些麻烦的最好办法是…… 　　It must be realized that …       我们必须意识到……

以及给出原因的句子
　　This phenomenon exists for a number of reasons. First, … Second, … Third, … 　　这一现象的存在是有许多原因的。首先，……第二，……第三，…… 　　Why did …? For one thing,... for another(thing),... 　　为什么......?一则，...... 二则，...... 　　I quite agree with the statement that… The reasons are chiefly as follows. 　　我十分赞同这一论述,即……，其主要原因如下。

That's it. Thanks for your support.