1.It's said that... 据说……
2.As we all know that... 我们都知道……
3.It's well known that... 众所周知……
4.As/So far as I know... 据我所知……
5.It is clear/obvious that... ……是显而易见的
6.to begin with 首先
7.in conclusion 最后
8.in brief,in a nutshell 简言之
9.in a word 总之
10.however 然而;可是
11.in spite of 不管;不顾
12.instead 代替;相反
13.nevertheless 然而;不过
14.on the contrary 正相反
15.otherwise 否则;另外
开头常用短语
It's said that... 据说……
As we all know that... 我们都知道……
It's well known that... 众所周知……
As/So far as I know... 据我所知……
It is clear/obvious that... ……是显而易见的
表“结构顺序”
first/firstly 第一
first of all 首先
to begin/start with 首先
in the first place 首先
second/secondly 第二
next 其次;然后
and then 于是;然后
meanwhile/at the same time 同时
finally/eventually/at last/in the end 最终