social epidemics

these are social epidemics, and the moment when they take off, when they reach their critical mass, is the tipping point.

这就是社会流行潮，当这种潮流发展到顶峰的那一刻就是引爆点。

Yet it is precisely these non-celebrity influentials who, according to the two-step-flow theory, are supposed to drive social epidemics, by influencing their friends and colleagues directly.

然而，根据两级传播理论，正是这些非名人影响者直接影响了他们的朋友和同事，从而推动了社会流行潮流。

but it's murky, and for watts, this is a critical flaw, because precision matters when you're trying to explain highly social epidemics .

瓦特却认为这有严重的问题，大规模社会流行需要更严密的解释。

In their recent work, however, some researchers have come up with the finding that influentials have far less impact on social epidemics than is generally supposed.

但是，在最近的研究中，一些研究人员发现，影响者对社会流行潮流的影响力远比人们认为的要小。

What is new is that the data revolution and social media have hugely increased their ability to start "social epidemics".

比较新颖的是，数字化革命和社会媒介的发展大大增强了他们开展“社会化传染”的能力。