to sum up to共计
to sum up in一言以蔽之
to sum it up总而言之;总结一下
To sum up experience要总结经验
To sum up this sentence总结一下这句话
To sum up the foregoing综上所述
To sum up the experience要总结经验
how to write sum-up总结的写作
to sum it all up总而言之