One of the biggest hurdles is the front-end passenger safety of the car .

其中最大的障碍是前端乘客安全的汽车。

Section at the hotel have been specially trained security personnel on duty 24 hours a day service to ensure passenger safety.

宾馆保卫科有经过专门训练的保安人员24小时值勤服务，可确保旅客的安全。