To sum up , there are three main ways of tackling the problem...

概括起来说，这一问题主要有三种解决办法…

《牛津词典》

Will you please sum up the main ideas of this article?

请把这篇文章的大意归纳一下。

《新英汉大辞典》

For the main contractors in the construction business who sub-contract work to others, the turnover shall be the balance of the total contract sum less the payments made to the sub - contractors.

建筑业的总承包人将工程分包或者转包给他人的，以工程的全部承包额减去付给分包人或者转包人的价款后的余额为营业额。

youdao

So, to sum up, there are three main findings about you that come out in social psychology.

总结一下，在社会心理学里有三个,关于自我的主要发现。

耶鲁公开课 - 心理学导论课程节选

For the buyers, obtaining a higher interest rate than is available from bank deposits, as well as the ability to purchase a yuan-denominated security and to benefit from the appreciation of the Chinese currency that many expect in the coming years are the main attractions of dim sum bonds.

FORBES: Dim Sum Anyone?

The Buzz Index overall score is simply the sum of five main factors: Brand Satisfaction, Brand Momentum, Personal Promotion, Digital Media and Traditional Media.

FORBES: Good Times Will Keep Rolling for Luxury Cars

The total annual expenditures is equal to the sum of the main categories only (in this particular case subcategories cannot be used since they are not comprehensive).

FORBES: Visualizing the Table of the Graph Makeover Contest