translation.en: So the relative change that ET, Educational Technology, would make, would be far greater at the bottom of the pyramid than at the top, but we seem to be doing it the other way about.
translation.zh: 这样，教育科技， 在金字塔底部所能发挥的作用，比在顶端的效果更为显著。 但是，我们却反其道而行之。