That's why the whole concept of words is sometimes considered to be primarily orthographic (typewriter keys clicking) which means it only matters when you're writing it down.

这就是为什么单词的整个概念有时被认为主要是正字法（打字机按键点击），这意味着它只在您写下来时才重要。

It was patented in 1878, and one theory is that the letters were laid out that way to keep the typewriter's mechanical keys separated, so they wouldn't jam up.

它于 1878 年获得专利，一种理论认为字母以这种方式排列是为了让打字机的机械键保持分离， 这样它们就不会卡住。