Everything is good or bad, helpful or deadly, not in itself, but by its circumstances.
万物是好是坏、有益还是致命，并不取决于自身，而取决于所处的情境。
— Robert Louis Stevenson · Virginibus Puerisque, and Other Papers · Pan’s Pipes —
键盘照着敲一遍，更容易记住。
不用找输入框，直接敲键盘。