回複：嗬嗬，老大，您也是最sweet的****

來源: 於 2010-01-10 09:06:39 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

Train your ears first. They are your feed back loops and your measure. In engineering, practice is trial and error, yet without a good measure, practice is pointless.