A put option is a contract that gives its owner the right to sell an asset at a future date at a predetermined price.
长文本生成：得益于混合线性注意力架构，在生成长达 500 行的重构代码 + 注释时，速度非常快，没有出现“断触”或逻辑崩坏。
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The astronaut who experienced a medical issue in space last month has identified himself as the sick member of his crew prompting an evacuation from the International Space Station.
蜡梅迎寒而开、坚韧不拔的品性也早已融入宜昌人血脉。革命年代，无数志士挺身而出，点燃鄂西革命星火；新中国成立后，宜昌秉持这股韧劲，打通航道、修建水利，建设400多座水电站，也是三峡工程、葛洲坝水利枢纽工程所在地。