1. I need assurance that you will complete the project on time.
我需要你保证会按时完成这个项目。

2. The company provides a warranty as an assurance of product quality.
公司提供保修作为产品质量的保证。

3. She gave me her assurance that she would be there to support me.
她向我保证会在那里支持我。

4. The insurance policy offers assurance in case of unexpected events.
保险政策在意外事件发生时提供保障。

5. His calm demeanor gave me assurance that everything would be okay.
他沉稳的态度让我确信一切会没事。

6. The government's assurance of economic stability reassured the public.
政府对经济稳定的保证让公众放心。