1、well, let me see...
2、the piont im trying to make is that...
3、let me put it another way.
4、personally, i think/ feel/ believe/ suppose...
5、my view on... is that...
6、as far as im concerned,...
7、as i see it,...
8、im afraid i didnt quite catch you.
9、im afraid im not quite clear about...
10、sorry, i cant follow you.