defensive stock和insider share-dealing~`

defensive stock和insider share-dealing~` U-stock 和 K-stock defensive fotification stock stock defensive avoidance是什么意思? defensive什么意思、 defensive pricing 是什么意思? 翻译:avoid being defensive defensive的反义词是什么? strike price 和stock price区别 in ink,in stock和in 知道opening stock和closing stock怎么求平均库存水平 股票中的lend money at stock和borrow money at stock i well insi-st that love you stock for stock deal 英语：stock和share表示股票有什么区别 Equity,Security和Stock都代表股票,分配什么时候用?