| 单词 | sum |
| 释义 | sum sum // noun, verb
■ noun
CAPITAL SUM, LUMP SUM
1 [C] an amount of money: a large sum of money They paid a nominal sum of 1 cent per share. policies for savers with small sums to invest He was paid a six-figure sum (= over 100 000 dollars, euros, etc.) for joining the company. The company was sold for an undisclosed (= secret) sum The fund pays employees a fixed sum on retirement.
a considerable/large/significant/substantial sum ◆ an enormous/a huge/vast sum ◆ a modest/nominal/small sum
2 [C, usually sing.] the number you get when you add two or more numbers together: The sum of exports and imports rose by 5% in the first half of this year.
❖ to calculate/find/work out the sum (of sth)
3 [C] a simple problem that involves calculating numbers: I did a few sums in my head and decided it was a good price. If we've got our sums right, we should be profitable within six months. Critics of the budget say that the government's sums don't add up.
4 (also sum total) [sing.] all of sth: The sum of all these small changes has had a huge effect on the industry.
IDIOMS
be greater/more than the sum of its parts to be better or more effective as a group than you would think just by looking at the individual members of the group
in sum used to introduce a short statement of the main points of a discussion or speech: In sum, we think this deal can go through at the end of November.
■ verb (-mm-)
PHRASAL VERBS
sum up; sum sth up to state the main points of sth in a short and clear form: To sum up, there are three main ways of tackling the problem ... SYN SUMMARIZE ⇨ SUMMING-UP |
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