sum · noun C /sʌm/Full view
sum
B1 an amount of money
Dictionary examples:

Huge sums of money are spent on cleaning up the oil spill.

The sum involved in the sale was not reported.

Learner example:

My poor aunt Yutta [h]as died and she's left me a big sum of money. (Preliminary English Test; B1; Italian)

sum · verb /sʌm/
sum up (sth/sb) or sum (sth/sb) up
B2 to describe briefly the most important facts or characteristics of something
Dictionary example:

The oral report should sum up the main points of the written essay.

Learner example:

To sum up, young people are interested in many things but in my opinion, music, TV and clothes are issues about which they care more than others. (First Certificate in English; B2; Greek)

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