How do you use "保証する" in a sentence?

Here's an example: "品質を保証します。"

What does "保証する" mean in English?

"保証する" means "to guarantee/to assure" in English. It is a verb in Japanese.

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Name: Language Island
Author: SwiftSpark, LLC

hoh-shoh soo-roo

verb

English

to guarantee/to assure

Practice "保証する" with spaced repetition and native audio in the Language Island app.