To ensure passenger safety, we ask that you buckle up your seatbelt.

为了确保乘客的安全，我们要求各位系上安全带。

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A publicity official with the Ministry of Railways explained that the delays were to ensure passenger safety.

铁道部一名宣传官员解释，列车晚点是为了保证乘客的安全。

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To ensure safe and stabile running of both passenger and freight trains on the same line, the relationship between train running safety and stability and track irregularities must be studied.

为了使客车和货车都能在同一线路上安全、平稳地运行，则必须对轨道不平顺与车辆运行平稳性和安全性之间的关系进行研究。

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No one disputes, of course, that airlines should be following all proper procedures to ensure passenger safety.

FORBES: FAA CYA?

The agency would start regulating space vehicles to ensure crew and passenger safety only if the operation of those vehicles resulted in death, serious injury or a dangerous close call.

MSN: Private-spaceflight bill signed into law