为了保护青少年的安全，青少年应该和陌生人保持距离。
In order to protect teenagers' security, teenagers are taught to keep distant from the stranger.
他指出需要更完善的法律及家长更严格的监督来保护青少年，包括上调驾车的年龄。
He says stronger laws, and stronger parental control, are needed to protect teens from themselves. That includes raising the age for driving.
减少道路交通事故、当发生交通事故时减少严重伤害发生的方法，对保护青少年的健康是重要的。
Approaches for reducing road traffic crashes, and the occurrence of serious injuries if and when crashes occur, are important for safeguarding adolescent health. These include
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