The software comes with a 'money-back guarantee'. [=a promise that the money you spend on a product will be returned if the product is not good enough]
We used our house as a 'guarantee' for the loan. [=we said that the bank could take our house if we did not pay back the loan]
There is no 'guarantee' that they will approve the contract. [=there is no way to be sure that they will approve it]
(..) ' And starting to take up ' The life delirious ' Nothing serious ' On how to be lovely ' You gotta be cheery ' I'll give you a guarantee ' You don't need dough ' You don't need a college degree ' Make sorrow incidental ' Let joy be monumental ' And you'll be lovely (..)1957 Funny Face