In 1989, Mother Ko's son Ko Chung-yu, a graduate student in business administration at Tunghai University, was killed by a tractor-trailer truck. Putting aside her grief, Mother Ko went to the company, only to be heartlessly told: "Eight out of ten trucks run into something.
民國七十八年，柯媽媽就讀於東海大學企管研究所的長子柯重宇不幸被聯結大卡車撞死，柯媽媽強忍悲傷和業者周旋，業者卻只撂下一句狠話：「十個、八個都在撞了，還差你一個？