assurance
单词辨析：
普通用词，可用于一切保险。
fire/health/travel insurance
火险/健康险/旅游险
He is an insurance broker.
他是一名保险经纪人。
Does she have insurance on her house?
她买住房保险了吗？
尤指公开或正式作出的保证。
The local government made a pledge to not compromise with terrorists.
当地政府保证决不向恐怖分子妥协。
Has he fulfilled his election pledge?
他履行竞选时的承诺了吗？
指强调某事一定会发生或肯定某事真实性的保证，尤为减轻他人的忧虑。
After my repeated assurances, she looked less worried.
经过我再三保证，她看起来不那么紧张了。
The tailor gave an assurance that her dress would be ready by Friday.
裁缝保证周五之前把她的裙子做好。
一般指对一定会做某事或某事肯定会发生的正式承诺。
The manager has given a guarantee that there will be no redundancies.
经理已经保证不会裁员。
Actually, there's no guarantee of success even if you can get the money.
实际上，即使你能得到那笔资金，也不一定会成功。
相关例句：
Presentation of recent methods in supplier management, quality assurance, process control, and competitor analysis.
在供应商管理，质量保证，过程控制及竞争者分析方面的最新手段和方法。
The EU is now acquiring greater assurance and authority.
现在欧共体越来越有自信与权威性了。
Apply quality assurance to traceability as well.
对追溯性应用质量保证。
She said 'hi' with the blithe assurance of someone who knew how much she'd been missed.
她高兴地说了声“嗨”，好像确信大家非常想念她似的。
The CC identifies two major kinds of security requirements: assurance requirements and functional requirements.
CC确定了两类主要的安全性需求：保证需求和功能性需求。
The young teacher lacked assurance in front of his class.
这位青年教师在学生面前缺少自信心。