回複：回複：回複：求助，媽媽在縱橫旅遊的大巴上摔了就白摔了嗎！！

based on your description, your case is really weak. the passagers are supposed to be seated while bus is in motion.

the best bet will be to talk to a lawyer who specialized in auto injury and see if he/she will take your case. They will take the case if they smells he money and there is chance to win. otherwise...