吃得少并对此感到快乐的秘诀可能在几年前就被麦当劳破解了。

The secret to eating less and being happy about it may have been cracked years ago—by McDonald's.

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多亏了电脑摄像头，他还能看到学生的身体动作，并对此做出回应。

Thanks to computer cameras, he is also able to see and react to students physical actions.

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普雷斯利、卡什、帕金斯和刘易斯本能地理解菲利普斯的雄心壮志并对此抱有信心。

Presley, Cash, Perkins and Lewis instinctively understood Phillips's ambition and believed in it.

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And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So I'm not gaying saying the privilege that I've enjoyed, but I did not seek that privilege.

我并不是在炫耀我所得到的这种机会，但对此，我并非刻意追求。

普林斯顿公开课 - 人性课程节选

We shouldn't be dismissive, but that's not to say that I think we should be convinced.

我们不应该对此不以为然,但也并不是说我们就应该对之深信不疑

耶鲁公开课 - 死亡课程节选