They found that the principal requirement for what is called “global cascades”—the widespread propagation of influence through networks—is the presence not of a few influentials but, rather, of a critical mass of easily influenced people.(Text 3. 2010. 英一)
他们发现，【所谓的“全球瀑布流”】【——某种影响经由“社交网络”的广泛传播——】形成的首要条件并不是少数几个有影响力人士的存在，而是大量必不可少的易受影响人士的参与。
