Safe, it is the mankind is on industrialized viatic a lasting theme.

安全，是人类走上工业化道路的一个永恒的主题。

This website is viatic product the form with " end odd " to the user directional push send.

该网站是将旅行产品以“尾单”的形式向用户定向推送。

And the planar roundabout in urban road is much, restricting viatic traffic capacity badly.

且城市道路中的平面交叉路口多，严重制约着道路的通行能力。