sum

US/sʌm/

UK/sʌm/

n. 总数; 金额; 算术

A **sum of** money is an amount of money.

Large sums of money were lost...

损失了大笔钱财。

Even the relatively modest sum of £50,000 now seems beyond his reach.

现在即使是相对来说并不算多的 5 万英镑对他来说也是遥不可及的。

A **sum** is a simple calculation in arithmetic.

I can't do my sums.

我算不出来。

In mathematics, **the sum of** two numbers is the number that is obtained when they are added together.

The sum of all the angles of a triangle is 180 degrees.

三角形内角总和为 180 度。

**The sum of** something is all of it.

'Public opinion' is only the sum of the views of thousands of people like yourself...

“舆论”只是所有像你一样的成千上万人的意见的总和。

The sum of evidence points to the crime resting on them...

所有证据都表明该犯罪乃他们所为。

You use **in sum** to introduce a statement that briefly describes a situation.

In sum, the two countries are now true economic partners...

总而言之，两国目前是真正的经济合作伙伴。

It is a situation, in sum, devoid of logic.

总之，该情况毫无逻辑。

If you say that something is **more than the sum of** its **parts** or **greater than the sum of** its **parts**, you mean that it is better than you would expect from the individual parts, because the way they combine adds a different quality.

As individual members' solo careers have proved, each band was greater than the sum of its parts.

成员单飞后的发展证明，每个乐队的成员只有组合在一起才能创造出更大的成功。

1. a quantity of money;

- he borrowed a large sum
- the amount he had in cash was insufficient

2. a quantity obtained by addition

3. the final aggregate;

- the sum of all our troubles did not equal the misery they suffered

4. the choicest or most essential or most vital part of some idea or experience;

- the gist of the prosecutor's argument
- the heart and soul of the Republican Party
- the nub of the story

5. the whole amount

6. the basic unit of money in Uzbekistan

7. a set containing all and only the members of two or more given sets;

- let C be the union of the sets A and B

1. be a summary of;

- The abstract summarizes the main ideas in the paper

2. determine the sum of;

- Add all the people in this town to those of the neighboring town

quantity, amount, number, sum

这些名词均有"总数，总量"之意。

- quantity ： 书面用词，指事物的总量和总数量，侧重大批计量，含准确测量的意味。
- amount ： 普通用词，与quantity
- 近义，但强调整体，指把所有数量、重量及度量归并在一起得出的总数。
- number ： 普通用词，指人或物的数目，强调数的概念。
- sum ： 普通用词，指简单加算的结果。

total, sum, whole

这些名词均有"总数，全体"之意。

in sum

简言之；总而言之

sum up

简述：对（材料）作扼要的总述；作概括说明

扼要地描述或简洁地评价

For his first book he received the princely sum of $ 400.

他写第一本书得到了400元“巨款”.

You have only 100 words in which to sum up his speech.

你只能用100字来概括他的讲话.

The sum of 5 and 4 is 9.

五加四的和是九.

We can sum up the main point of the lesson in three sentences.

我们可以用三句话来概括本课要点.

Interest on this sum of money is charged at 1.5 per cent monthly.

这笔款的月息是1.5%.