Как по Английски будет sous-utilisation

verb

Spend too little.

Примеры использования:

To underspend on the event would be unthinkable

noun

An act of underspending.

Примеры использования:

Areas in the year's budget where there has been an underspend

noun

The fact of not using something enough, or of something not being used enough

Примеры использования:

There is underutilization of dental services by low-income children., productivity losses stem from…