车距: 2 second rule
people often remember to allow him/herself 2 sec, but forgets to give any driver behind 2 sec. 后者(rear ended)常常导致 neck whiplash - 通常数天后才感觉, 所以更危险。
车距: 2 second rule
people often remember to allow him/herself 2 sec, but forgets to give any driver behind 2 sec. 后者(rear ended)常常导致 neck whiplash - 通常数天后才感觉, 所以更危险。
• 还有就是要活学活用交通规则 -美西游子- ♀ (144 bytes) () 11/02/2012 postreply 16:00:56