It is important to include the thresholds as a performance indicator when the uptime availability will be less than the guaranteedtime.
当正常运行时间可用性将要低于承诺的时间，那么必须要将中断阈值作为性能指标包含进来。
2
The U.S. is also the only advanced economy that does not guarantee workers paid vacation time, and it's one of only two countries in the world that does not offer guaranteed paid maternity leave.
美国也是唯一一个不保障员工带薪假期的发达经济体，也是世界上仅有的两个不提供带薪产假保证的国家之一。
3
Low latency: Guaranteed response to signals in bounded time.