But you will never know if they work unless you study them in humans, so this is an important first step.

但是如果你不在人类身上应用这些研究你将永远不知道它们是否能获得成功，所以这是很重要的第一步。

youdao

First, in our earlier study of practicing physicians, we sent actors to visit these physicians in their offices. So they didn't know they were seeing actors. They thought they were seeing patients.

首先，在我们上一个对执业医师研究中，我们安排演员去他们的诊疗室，他们并不知道在给假病人看病而把他们当成真正的病人。

youdao

So whether we finish it today, or more likely when we finish it up on Friday, once we get passed isoelectronic atoms, that's it, that's all you need to study for this first exam.

因此，我们也许今天讲完，或者更有可能周五讲完，无论如何，就到我们讲完等电子原子为止，这是你们第一次考试所需要准备的全部内容。

youdao

Wait. Don't you first need to study the other ?" so that you can be more sensitive to others?"

等等，你难道不要首先研究别人,才能对别人更敏感吗“

哈佛公开课 - 幸福课课程节选

so it's specifically for people in their first year of study.

主要就是为新生开设的。

选择国际学的理由 - SpeakingMax英语口语达人

So this is really the first attempt, way back in the nineteenth century to study a market that's somewhere in the middle, where it happens most markets are there are two firms.

因此这就是它的第一个诱人之处,我们要回到十九世纪,去研究一个介于两者之间的市场,那个年代大多数市场都只有两家公司

耶鲁公开课 - 博弈论课程节选

The Penn State team carried out the largest genetic study so far of when land plants and fungi first appeared on Earth in an attempt to resolve this debate.

BBC: Earth AP

When Waldmann started touting this idea in 1993 as a strategy for treating various autoimmune disorders, the idea was so fringy that it took him two years to get his first big study published.

FORBES: Magazine Article

Their brain scan study was carried out in the first few days following birth, so it is possible that the noises and sounds the newborns encountered in their new environment outside of the womb may have triggered rapid development.

BBC: Babies can hear syllables in the womb, says research