Well, the one advantage is that you don't have to pick them up, and people don't realize how important that is -- not having to pick up your fingers to use them.  When you think for a second of the mouse on Macintosh -- and I will not criticize the mouse too much -- when you're typing -- what you have -- you want to now put something -- first of all, you've got to find the mouse.
优点之一是,你不必去学习它. 人们没有意识到这有多重要, 不需要去学习用你的手指去使用它们. 你想一想苹果电脑的鼠标 -- 我不想批评这款鼠标太多 -- 但当你打字的时候,你还想输入些其它东西, 首先你得先摸到鼠标.