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.
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9、Im afraid Im not quite clear about...
10、Sorr