translation.en: Probably the least-appreciated aspect of this is the notion that the very first time that you're trying to get your brain around a new concept, the very last thing you need is another human being saying, "Do you understand this?"
translation.zh: 也可能是因为你最不想发生的是 在你第一次 最初时 想让你的大脑掌握一个新概念的时候 你最不需要的 是有人问你 “明白了吗？”