显然，骑车族公然藐视法律，对公众安全是一种威胁。
Obviously, cyclists' flagrant disrespect for the law is a threat to public safety.
这类技术让一些人惊惧不已，他们担忧这会严重危及公众安全。
That kind of technology scares some people, and there's concern that it's all getting ahead of public safety.
他们坦诚看待公众安全和自由之间的取舍关系，至少私底下并不避讳。
And they are intellectually honest, at least in private, about the trade-off between public safety and freedom.
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