Simple game theory suggests that a sub-optimal result is almost inevitable absent a policeman to bully participants into good behaviour.

简单的游戏原理似乎暗示，潜在的最佳结论必然是，现在缺少一个警察来强迫参与者做规矩之事。

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All that talent adds up to zero with a sub-par mental game.

所有的天分在心理竞技中累加为零。

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The real game-changer was Salomon Kalou, who replaced Drogba in the 55th minute, and Ancelotti had kind words for the sub.

真正改变比赛的人是卡卢，卡卢在第55分钟替换德罗巴出场，安切洛蒂也表扬了这名替补选手。

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Elder came on as a second-half sub in the reserve game against Macclesfield, and was denied a goal when his header came back off the bar.

BBC: Nathan Elder makes Shrewsbury Town return

And while some actions may not seem all that significant, when you take any action that serves your greatest good, it sends a message to your sub-conscious that you are still in the game, and that change is still in progress (however slowly).

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Their research and design is on game-changing topics from how people in sub-Saharan Africa and India use computers and cell phones, to the use of Twitter and social media during crisis, to how digital gaming contributes to business relationships in China, to how American families control internet use at home.

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