There is nothing more certain than that both are right, except perhaps that both are wrong.
没有什么比双方都有道理更确凿，除非是双方或许都错了。
— Robert Louis Stevenson · Virginibus Puerisque, and Other Papers · Crabbed Age and Youth —
键盘照着敲一遍，更容易记住。
不用找输入框，直接敲键盘。