down-and-out options敲出期权
Down-and-out Call向下敲出看涨期权
Down-and-Out Option股价下跌失效的期权;股价下跌失效的期权在相关证券价格下跌至一个特定水平时失效的期权
Down-and-Out Calls敲出期权
Down-and-out Put向下敲出看跌期权
Down-and-out blueblood穷困潦倒的贵族
down-and-out call option下出局买权
Ordinary European down-and-out power calls普通欧式向下敲出看涨幂期权
knock-down-and-drag-out激烈而无情的
ADJ（形容词） If you describe someone as down-and-out, you mean that they have no job and nowhere to live, and they have no real hope of improving their situation. 穷困潦倒的
...a short story about a down-and-out advertising copywriter.
…一篇关于一个穷困潦倒的广告撰稿人的短篇小说。