We summed up the donations and found that we had just enough to pay the bills.
2
Ambitransitive To summarize.
So, to sum up your argument, what you are saying is that it is impossible.
To sum up, the Furka-Oberalp Railway is a good example of the adaptation of the rack-and-pinion system to a main line over mountainous terrain.1950 November, H. P. White, “The Furka-Oberalp Railway”, in Railway Magazine, page 770:
1 more example
Best came close to getting on the end of Barton's cross but he was inches away from connecting. It was an incident that summed up Newcastle's afternoon.2011 February 12, Nabil Hassan, “Blackburn 0 - 0 Newcastle”, in BBC: