guarantees
名词 guarantee:
a written assurance that some product or service will be provided or will meet certain specifications
同义词:guarantee, warrant, warrantee, warranty
a pledge that something will happen or that something is true
同义词:guarantee
a collateral agreement to answer for the debt of another in case that person defaults
动词 guarantee:
give surety or assume responsibility
make certain of
同义词:guarantee, ensure, insure, assure, secure
promise to do or accomplish
stand behind and guarantee the quality, accuracy, or condition of