(一)表示首先
1 First,
2 Firstly,
3 First of all,
4 In the first place,
5 To begin with,
6 To start with,
7 First and foremost,
8 Initially,
9 The first thing I want to mention here is that...
(二)表示第二、此外
1 Second，
2 Secondly，
3 Second of all，
4 In the second place，
5 Further，
6 Furthermore，
7 Besides，
8 Moreover，
9 What is more，
10 Additionally，
11 In addition，
12 Another equally vital point to be considered is that...
(三)表示第三、最后
1 Third，
2 Thirdly，
3 Third of all，
4 In the third place，
5 Last，
6 Lastly，
7 Last of all，
8 In the last place，
9 Last but not least，
10 The last but not the least，
11 Finally，
12 The last factor to be presented is that...
