guarantee time

例句：

1. 1. We need to ensure that the project is completed on time.
   我们需要确保项目按时完成。
2. 2. The product comes with a one-year guarantee time.
   该产品提供一年的保证时间。
3. 3. The company provides a 24-hour customer service guarantee time.
   公司提供24小时客户服务中心保障时间。