It means the company went bankrupt and never paid; otherwise, the coupons would have been clipped.

这意味着那家公司破产了,无法兑现,否则,息票肯定会被剪掉

耶鲁公开课 - 金融市场课程节选

If you have a laptop and I persuade you to open it up for me and I take the pliers and kind of snip just about anywhere, your laptop will be destroyed but the brain is actually more resilient.

假如你有台笔记本,我成功地说服了你,让你把笔记本拆开,然后我拿钳子,在笔记本里乱剪一通,那你的笔记本肯定就坏掉了,但是大脑具有更好的弹性

耶鲁公开课 - 心理学导论课程节选