1、Moreover, ...
2、In addition, ...
3、Furthermore, ...
4、However, ...
5、On the other hand, ...
6、In contrast, ...
7、Despite this, ...
8、In conclusion, ...
9、To sum up, ...
10、All things considered, ...
11、As a result, ...
12、Consequently, ...
13、Therefore, ...
14、As a matter of fact, ...
15、Similarly, ...