The phone comes into play when there are multiple options to consider or important decisions to be made.

当有多种选择要考虑，或者有重要的决定要做时，手机就开始发挥作用了。

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We make the setting more realistic by having subjects play repeated games and introducing costly punishment as one of several options.

我们做了更加真实的设定，包括加入了游戏重复性，并加入了昂贵的惩罚作为几个选项之一。

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When you're looking at the games on the store shelf, it seems you have only two options - a game that you can play with your friends, or a game that has a satisfying personal story.

当你在游戏铺货架找游戏的时候，好像就两种选择——一种可以跟你朋友们玩的，或者一种你可以得到一个自己体验的完美故事。

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Most of the options in play are calls, with approximately 3.8 call options trading to each single put option in action.

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Gettysburg is also the first Sid Meier game to feature online play and multiplayer options.

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Now, there are a couple potential strategies that could emerge from such an options play.

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