It also explains the phenomenal 6 degrees of separation: how we are all connected and interconnected in a web potentially of goodness.

它也解释了六度分隔理论：,我们都是关联和相互关联的,在一个潜在善的网络里。

哈佛公开课 - 幸福课课程节选

There's book after book after book on this, like Clarence Cason's famous book, 90 Degrees in the Shade, which is supposed to explain all Southern behavior and ideas.

关于南方特征的书籍铺天盖地,像克来伦斯·卡森的著作《90度阴影》,旨在解释南方人的思维和行为

耶鲁公开课 - 美国内战与重建课程节选