translation.en: And at each one of these stages, can be seen as a collision -- a collision with something else -- for example, a critical price-line that changes both the technology and also changes its effect on the world. It's an inflection point.
translation.zh: 而其中的每个阶段都可以被看做一次撞击。 一次与其他的事物的撞击-- 比如，一个临界价格线会改变技术 和它对世界的影响。它是一个转变的契机。