n. a quantity of money
n. a quantity obtained by the addition of a group of numbers
n. the final aggregate
n. the whole amount
n. 总数, 总和, 金额, 概要, 顶点
vt. 总计, 概括
vi. 合计
[计] 系统实用程序和维护
1. The sum of two and three is five.
两加三的和是五。
2. Can you calculate the sum of these numbers?
你能计算这些数字的总和吗？
3. She saved a sum of money for her vacation.
她为度假存了一笔钱。