translation.en: What Darwin said was something like this: if you have creatures that vary, and that can't be doubted -- I've been to the Galapagos, and I've measured the size of the beaks and the size of the turtle shells and so on, and so on.
translation.zh: 达尔文所说的是这样的-- 如果你看到生物变异，那是无容置疑的-- 我去过加拉帕戈斯岛，我测量过喙的尺寸 海龟壳的尺寸以及等等等等。