第八专栏科学写作深读课：重新进入《物种起源》1859 初版 Introduction 第一段，完成中译，再看 was struck with、seemed to me、throw some light、it occurred to me、might perhaps、accumulating and reflecting、allowed myself to speculate、seemed probable 与 not been hasty 怎样写出证据等级和研究纪律。