assurance和warrant的区别

assurance和warrant都有担保，保证的意思，前者是名称，而后者则是动词，区别可以从以下例子看出：

This product has assurance of manufacture, they warrant the quality of the product and any labor cost of repair. 本产品有制造工厂的保证，他们保证产品的质量和维修的任何人工成本。