translation.en: Now, that's also wrong, because traffic happens to be a nonlinear phenomenon, meaning that once you reach above a certain capacity threshold then congestion starts to increase really, really rapidly.
translation.zh: 你又错了，因为路况 恰巧是个非线性的现象，也就是说 当流量达到某个阙值 拥堵情况就开始加剧并迅速恶化。