cost
The Italian word 'costo' is used in the same way as 'cost' in English. It can refer to the price of an item or the amount of money required to do something. For example, 'Il costo della vita è molto alto in questa città' translates to 'The cost of living is very high in this city'.
The cost of the pizza is ten euros.
This sentence is used to indicate the price of something, in this case, pizza, using the term 'costo' which means cost.
The cost of repairs is too high.
In this example, 'costo' is used to quantify the expense incurred for repairs which, according to the speaker, is deemed excessive.
We need to calculate the total cost of the project.
Here, 'costo' is used in a sentence where the overall expenditure for a project has to be estimated or calculated.