The second reason that surveys work has nothing to do with the people you're asking.

调研作用的第二个原因与你询问的对象无关。

21. What factor plays an important role in running a successful program?

问题21. 推行一个成功的项目，重要作用的是什么？

That's because time comes into the equation, too.

因为「时间」也作用的。

Mel, you look great. I think the Scientology is working, I really do.

梅尔，你气色不错。山达基教还是作用的。真的。

That's where some scientists think algae comes in.

这就是一些科学家认为藻类作用的地方。

That's where the " don't try this at home" warning comes in.

这就是“请勿在家尝试”警告作用的地方。

This is a type of research aimed at exploring the way human cultures work.

这是一种以探究人类文明如何作用为目的的研究。

That's where charities like WCK are trying to help fill the gap.

这就是像WCK这样的慈善作用的地方，他们要填补空缺。

And to really understand it, you first have to understand how most vaccines work.

要真正理解它，你首先必须了解大多数疫苗是如何作用的。

And 61 percent say that common sense was very important in contributing to their success.

百分之六十一的人说常识判断力对他们的成功了重要的作用。

BBC reporter John Laurenson describes in a humorous way how this works.

BBC的记者约翰·劳伦森以一种幽默的方式描述了这是如何作用的。

Now that we know what moral ingredients do the work when people come together and say, " I will do this if you do that."

我们已经知道了人们聚到一说，“如果你那样做，我就这样做" 时，道德因素所在的作用。”

It was once reported that the treats became popular during the Yuan dynasty when the cakes were reportedly used as paywall, essentially a vessel to deliver secret notes to assist Han Chinese in overthrowing the Mongolian rulers at the time.

史载元朝时期，月饼承担了载体的作用，当时人们利用月饼传递义密信，帮助汉人推翻了蒙古的统治。

But he says it was Apollo 8 that was the real deal.

但他表示，阿波罗8号才是决定作用的。

What we really need to see in a lot of the battleground states, places like Florida, New Hampshire, we're going to be looking for a lot more than the exit poll.

我们真正需要看到的是，在许多决定作用的州，比如佛罗里达和新罕布什尔，我们要进行的不仅仅是投票后的民意调查。

No one likes paying taxes, but we do like what they do for us.

没有人喜欢纳税，但我们喜欢它们对我们的作用。

Was the first time that it worked.

在它第一次作用的时候，我这么想着。

But it is not just multinational companies, seeking bigger sales and profits that drive globalization. Governments do, too.

不过，推动全球化的并不单单是追求更高销售额和利润的跨国公司，各国政府也着促进的作用。

I think that when we have those kinds of options to look at, we should look at them without having to spend decades trying to figure out exactly how they work.

" 我认为，当我们有这些选择的时候，我们应该尝试一下，而不应花上几十的时间去弄清楚到底是怎么作用的。"

So let's see how this can work in a relationship.

所以让我们看看这在一段关系中是如何作用的。