In summary, ...【总的来说
Summing up,...【总的来说
I mean, ...【我的意思是说
That is to say...【也就是说
What I'm saying is...【我的意思是说
What I mean to say is...【我想说的是
So technically speaking,...【直白一点来说
To put it simply,...【简单地说
In simple terms,...【简单地说
To put this another way,...【换种方式说
忘采纳.