保证
近义词与同义词
按词义分组列出，使用时请结合具体语境。
defense against financial failure; financial independence; "his pension gave him security in his old age"; "insurance provided protection against loss of wages due to illness"
a written assurance that some product or service will be provided or will meet certain specifications
a collateral agreement to answer for the debt of another in case that person defaults
make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!"
guarantee as meeting a certain standard; "certified grade AAA meat"
guarantee payment on; of checks
promise solemnly and formally; "I pledge that I will honor my wife"
assure payment of