美国宪法的起草者试图建立一个有效的国家政府，同时保持各州的自治和个人的自由。

The authors of the United States Constitution attempted to establish an effective national government while preserving autonomy for the states and liberty for individuals.

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因为探究能带来了快速有效的结果，自由操作系统的用户被鼓励去研究，并且迅速成长为有能力那样做的用户。

And since exploration leads to quick and effective results, the users of free operating systems are encouraged to explore and soon grow to expect the ability to do so.

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两方面都主张政策应当提供自由选举等有效的非暴力手段。

Both advocate policies to provide effective nonviolent alternatives, like free elections.

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It's also very interesting to think about how the food label could change because this legislation comes up here and there and government consideration, and so if you guys have thoughts that you'd like to write about on one of your concept sheets about what could done to the food label to make it more effective, and more accessible to people, then feel free to write about that. Yes?

考虑一下食品标签可以如何改进,也是很有意思的,因为立法和政府考虑无处不在,如果大家有任何想法的话,可以在你们的观点报告里写一篇文章,关于如何改进食品标签,使其更有效,并且更通俗易懂,大家可以自由发挥,请讲

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选