新的 PNAS 研究也揭示了意义和幸福之间的差异，但只是在生物学层面上。

The new PNAS study also sheds light on the difference between meaning and happiness, but on the biological level.

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因此，对嗅觉文化史的研究，从真正意义上讲，是对人类文化本质的调查。

The study of the cultural history of smell is, therefore, in a very real sense, an investigation into the essence of human culture.

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2011年，他们发布了一项名为“学术漂流”的具有里程碑意义的研究，该研究记录了许多大学生在智力方面缺乏成长的经历。

In 2011, they released a landmark study titled "Academically Adrift," which documented the lack of intellectual growth experienced by many people enrolled in college.

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We'll see that next time, and then we'll generalize in a broader sense to look at the direction in which spontaneous processes go. ?

我们下节课将讲述这方面的内容，然后会进一步推广到更广的意义上去,研究任何自发过程,的进行方向？

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And again it makes sense if you think the dialogue is a kind of pedagogical tool to help you get better at philosophising.

而且如果你认为对话这本书,是一个教育学工具能帮你进行,哲学的研究推理，那就很有意义。

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But there's also some very serious implications of this kind of work.

但是这类研究也有些严肃的暗示意义。

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