他们可以教孩子几个简单的规则，以保证孩子的安全。
And they can teach them several simple rules to keep them safe.
大家的安全是我们的责任。但是要保证安全，我们必须要遵守一些简单的规则。
Your safety is our responsibility. But to keep safe we must follow some simple rules.
但是要保证安全，我们必须要遵守一些简单的规则。
这是一条简单却最重要的乘机安全规则。
Wear a seatbelt. This is a simple but most important take advantage of safety rules.
这是一条简单却最重要的乘机安全规则。
Wear a seatbelt. This is a simple but most important take advantage of safety rules.
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