In the paper, the scientists nicely rebut a variety of counter-explanations, such as that the subjects were too polite or intimidated to say that their choices had been switched.

在研究论文里面，科学家们机智地驳击了各种反证，例如参与实验人出于礼貌或者受到胁迫会不愿意承认自己选的已经被调包。

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Squalene is also found in a variety of foods, cosmetics, over-the-counter medications, and health supplements.

角鲨烯也见于多种食物、化妆品、非处方药和健康补充剂中。

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It is also found in a variety of foods, cosmetics, over-the-counter medications and health supplements.

它也见于多种食物、化妆品、非处方药和健康补充剂中。

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The Prison Service is trying a variety of counter-measures, including drug-free wings where prisoners who promise not to use drugs are given additional privileges.

ECONOMIST: Drugs: The prisoner's dilemma | The

We have been intensely engaged in negotiations, in conversations, in proposals and counter-proposals with Congress at a variety of different levels -- the talks led by the Vice President, the private conversations and negotiations that the President had with the Speaker of the House.

WHITEHOUSE: Press Briefing

The result was a seizing up of credit in a variety of markets as the solvency of counter-parties to various transactions came into question.

FORBES: Subprime Debacle Lessons