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But he didn't set the position to retreat to and sell it.This is called the cost of silence,If you think it's cheap, you may start to build positions.

Then turn it off, it doesn't matter,If it doesn't come out, it may vomit.Are the three situations mentioned above true?

The more positions we add, the more we will lose.Retreat from profit by 5 to 8 points,Because its downward trend has not changed,