No evidence has emerged that he continued to buy or sell after that point.
而且没有任何证据显示自那以后他还继续购买或出售该公司的股票。
There is little point in developing a new product unless you can sell it.
如果新产品销售不出去，则新产品开发是毫无意义的。
The sell signal disappears at point a, and that's when you may go long.
卖出信号在A点消失，此时你可以做多。
The sell signal disappears at point a, and that's when you may go long.
卖出信号在A点消失，此时你可以做多。
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