Therefore drivers or front seat passengers over 14 in most vehicles must wear a seat belt.

因此，司机和凡做前排的年龄超过14岁的乘客一定要系安全带。

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Drivers and passengers in the car must wear a seat belt, airbag is a passive safety device, only with the use of seat belts, in order to have a real security effect.

驾驶员和乘员在汽车运行时必须系好安全带，安全气囊属于被动安全装置，只有和安全带配合使用，才能有真正的安全保护效果。

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If you must carry a passenger for whom there is no seat belt, it is better for the heaviest passengers to wear a seat belt.

如果你必须携带对他们来说是没有安全带的乘客，这是更好地为最重的乘客佩戴安全带。

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