He's also friendlier on the track than many of the past champions think American Carl Lewis and Canadian Ben Johnson, who tried to intimidate opponents with their dagger-like glares.

VOA: standard.2009.08.21

What about my expected payoff from choosing Middle against , so in this case where I think it's equally likely that my opponents going to choose Left or Right?

那我在情况下,选中的预期收益是什么呢,在此情况下我依然认为,对手选左选右的可能性相同

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