The timer began, and everyone started to work frantically at their task, placing completed items on the circle between them and the next person on the assembly line.

计时器开始了，每个人都疯狂地干自己的工作，将完成的物品放入循环中他们和下一个人之间的装配线上。

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Again this involved the circle dragging task, but this time the experimenters wanted to look at the effects of different types of gifts on how hard people would work.

还是那个拖圆圈的任务，但是这次实验者想弄明白不同类型的礼物对人们的努力工作程度的影响。

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The participants with a fast task would finish, put the piece in the circle, build a second one completely, and then wait until the spot was clear before they could fill it and make the next one.

快速工作的参与者将完成工作，把物品放入循环，将第二个完成，并等待该位置空了，他可以将其填上并制作下一个。

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It would merely highlight the impossible task of squaring the circle of cheap U.S. gasoline at American pumps and strong international pressures against Iran.

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And this creates a vicious circle: the more stressed you are, the more difficult the task becomes.

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