translation.en: Well, the striking patterns of human social networks, their ubiquity and their apparent purpose beg questions about whether we evolved to have human social networks in the first place, and whether we evolved to form networks with a particular structure.
translation.zh: 人类社会网络惊人的样貌、 其无所不在的特性和它们显而易见的功能， 让我们猜想社会网络是否是我们 进化的产物， 而我们又是否进化出具有某种特殊结构的 社会网络。