So there is probably only about one degree of separation.

因此，可能只有一种程度的分离。

Within 20 degrees of separation from you initial smile to the three people.

只需要20度的分隔 从你用笑容感染三个人开始。

But, according to employees at Facebook, there are only 3. 74 degrees of separation on average between any two users.

但是，据脸书的员工透露，任意每两个用户之间只间隔3.74度。

It's like the six degrees of separation, but with research.

这就像六度分离，但需要研究。

I don't envision this translation to look like the six degrees of separation that I illustrated earlier.

我不认为这个翻译看起来像我之前说明的六度分离。

While the burden has fallen disproportionately on the least-educated Americans, tens of millions of us are no more than one degree of separation from someone struggling with addiction.

尽管文化程度最低的美国人的压力存在不成比例的下降现象，但我们中间的无数人和那些在毒瘾中挣扎的人的差距不过毫厘之间。

The boss's existing connections will treat you as more of an equal; those desperate to get one degree of separation closer to the top dog will come begging.

老板现有的人脉会更加平等地对待你；那些不顾一切想要更接近老板的人都会来求你。