A put option is a contract that gives its owner the right to sell an asset at a future date at a predetermined price.
對華逆差超千億美元，默茨首次訪華能否反轉中德「零和」競爭？
What is this page?。关于这个话题，safew官方下载提供了深入分析
Hostilities between the two sides have been ongoing for months, yet the answer to who started the aggression depends on who you ask.，这一点在heLLoword翻译官方下载中也有详细论述
Museum saves Tommy Cooper's 'gag file'，这一点在爱思助手下载最新版本中也有详细论述
5. 农村电商IP与农产品变礼品： 在县域经济中，利用数字化工具推动“一村一品”建设，将地方特色农产品（如阜新樱桃、连州菜心）通过品牌化运作推向全国市场 [54, 60, 61]。