translation.en: Today, though, I’m going to talk about Darwin’s other strange inversion, which is equally puzzling at first, but in some ways just as important.
translation.zh: 但是今天，我要谈的是达尔文的另一个奇怪的“反向逻辑”。 它乍眼看来也是一样莫名其妙，但从某种程度上说，它也是一样重要。