例句
She saved a small sum for a new bicycle.
她为买一辆新自行车攒了一小笔钱。
Governments invest large sums in public transport to reduce congestion and improve urban air quality.
政府在公共交通上投入巨资，以缓解拥堵并改善城市空气质量。
常用搭配
- a large sum of money｜一大笔钱
- the sum of｜……的总和
- sum up｜概括；总结
词形与相关词
summation (n.)
用法提示
sum up表示总结；一笔钱用a sum of money。