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guarantee/
gærən'tiː
/
1.noun [c]
(assurance) 保证
2.noun [商]
(warranty) 质保承诺
3.vt.[+success] [ safety] [ happiness]
(promise) 确保
4.vt.
(ensure) 保证
5.vt.[+product] [ work]
担保
a/no guarantee that...
有/没有…的保证
to guarantee (that)...
保证…
to guarantee to do sth
保证做某事