完美介绍乐高'得宝'的建设和玩！
特别内容包括2得宝小人，车窗，作出滚动车辆车基地，建筑底板！
Special elements include 2 DUPLO minifigures, windows, a wagon base for making rolling vehicles, and a building base plate!
在第二部分里(第四章)，选择了中国银行上海分行的两得宝和期权宝产品作为实证研究的对象。
In the second part (Chapter four), we choose the option products of Liangdebao and Qiquanbao of Bank of China Shanghai Branch as the empirical research objects.
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