translation.en: And I'd love to talk about this, but I think the argument is so obvious to anyone who's hung around a fourth grade classroom that it doesn't need much talking about -- but I guess I may be very wrong about that, and everything else that I've said.
translation.zh: 这也是一个我想要谈论的问题。 但我认为我的理由对于任何一个在四年级教室里待过的人是如此的明显， 以至于没有必要再在这里谈了─ 但我的观点可能是相当错误的， 包括我刚刚说的所有东西都可能是错误的。