In one experiment, participants were given snacks to eat while they wore headphones playing either loud or quiet noises.

在其中一个实验中，参与者们需佩戴着耳机吃零食。

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Keep quiet when doing the experiment. Don't do the things which are not related to the experiment.

实验时应保持安静，不准吵闹喧哗，不得做与实验无关的事。

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I believed with all my heart mat I could change, if only I could find a quiet place to sort things out and experiment with new ways of thinking and acting.

我真心实意地相信我会转变，只要我能找到一个安静的地方来理清头绪，来尝试新的思维和行事方法。

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Facebook has had a quiet experiment in democracy for the past few years, where if more than 7, 000 people leave a comment on a proposed policy amendment, it triggers a vote.

FORBES: The Quiet End to Facebook's Democratic Experiment

Harris had a distinct agenda in taking the surveillance to the ultimate level and populating the bunker with extreme types: performance artists, political activists, filmmakers, and others hand-picked for a not-so-quiet experiment.

FORBES: 'We Live In Public' is not how we live