commutation failure protection

例句：

1. 1. The company's policy on commutation failure protection is to provide customers with a refund if they are unable to use the service within 30 days.
   该公司的换乘失败保护政策是，如果客户在30天内无法使用该服务，公司将提供退款。
2. 2. The train company has implemented a new system to protect passengers from potential commutation failures.
   火车公司已经实施了一个新的系统，以保护乘客免受潜在的换乘失败的影响。
3. 3. The safety measures in place for commutation failure protection have significantly reduced the number of accidents caused by misunderstandingsbetween passengers and staff.
   为换乘失败保护采取的安全措施已显著减少了由乘客和工作人员之间误解引起的事故数量。