巴林斯卡娅认为她没有机会。
她没有机会对他说这些情况。
接着他拿了一条铁链子捆在她的腰上让她没有机会逃跑。
He then secured a chain around her stomach so she had no chance to escape.
So one way to think about it is, is the expected distance from her of the winning candidates, is: with probability of a half it's herself so that's nothing, No distance, and with probability of a half it's two places away.
所以一种考虑的方法是,预期她与获胜者的距离是,由于她有一半获胜的机会所以没有成本,没有距离,且,距她两个位置远的人有另一半获胜的机会
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