2016年时，作者在怀疑什么？

What did the author suspect back in 2016?

youdao

当他和其他研究人员研究为什么青少年在其他青少年的陪伴下更敢于冒险这一问题时，他们开始怀疑群体的影响不一定总是负面的。

As he and other researchers examined the question of why teens were more apt to take risks in the company of other teenagers, they came to suspect that a crowd's influence need not always be negative.

youdao

即使你从未怀疑过这就是树叶变红时的情况，它还是有迹可循的。

Even if you had never suspected that this is what was going on when leaves turn red, there are clues out there.

youdao

We could begin to put a certain amount of pressure on the text and possibly, as I say, - begin to do things with it which are kind of a five-finger exercise-- -- we'll be doing a lot more of that sort of thing--but which might work.

开始时我们应该对文本抱有一定的怀疑,就像我说的，用一种五指练习法来做-,以后我们会大量涉及到这种练习。

耶鲁公开课 - 文学理论导论课程节选

Let me disclaim, too, we're by no means perfect so the Harvard courses APP that a lot of you used on the web to shop for courses, we recently sent out a form to get feedback from everyone because we don't doubt that it was imperfect the first time around, but we're going to iterate and make amends with that.

我不是说，我不是说要完美,你们大部分使用哈佛大学课程APP来在网上选课,我们最近给你们发了一个表单，从你们那里,得到反馈，因为我不怀疑,第一次时它是有瑕疵的,但是我们将反复地道歉。

哈佛公开课 - 计算机科学课程节选