Childhood must pass away, and then youth, as surely as age approaches.
童年终将逝去，接着是青春，正如老年必然到来一样。
— 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。