"Guaranteeing" Natural Recordings by Native Speakers
Guaranteeing means to provide something that assures or promises the quality, performance, or fulfillment of a commitment, obligation, or responsibility, typically with a degree of certainty or assurance. It can also imply a promise or assurance that a certain outcome will occur or that a particular condition will be fulfilled. For example, "The company guaranteesing the quality of its products means customers can trust them."