sum

in sum

to sum up

简言之；总而言之

this interpretation does little, in sum, to add to our understanding.

总而言之，这个解释没有增进我们的理解。

sum up

To present the substance of (material) in a condensed form; summarize

简述：对（材料）作扼要的总述；作概括说明

sum up the day's news; concluded the lecture by summing up.

概括了当天的新闻；以扼要的重述结束了报告

To describe or assess concisely

扼要地描述或简洁地评价

an epithet that sums up my feelings.

简洁地表达了我思想感情的形容词