An erratum is one mistake in a printed book or paper that the publisher later points out. Once the pages are already printed, they cannot easily take the error back, so they add a short correction — sometimes a slip of paper, sometimes a note at the back.

An erratumerratum是個字 is one mistake指的是一個錯誤 in a printed book or paper在印出來的書或論文裡 that the publisher later points out是出版社後來指出來的。Once一旦 the pages書頁 are already printed已經印好了, they出版社 cannot easily take the error back沒辦法輕易把錯誤收回, so所以 they add a short correction他們會加個簡短的更正 — sometimes有時候 a slip of paper是張紙條, sometimes有時候 a note at the back是書後面的一則說明。

Strictly, erratum is one printed slip; the list of them is the Latin plural, errata, and that is the word you will see on the page headed “Errata”.

Strictly嚴格來說, erratumerratum is one printed slip指的是一張印出來的勘誤紙; the list of them它們的清單 is the Latin plural, errata是拉丁文複數errata, and而 that就是 is the word you will see on the page headed "Errata"你會在標題寫「Errata」的那頁上看到的字。

It is a book-world word, used in academic books and journals more than in ordinary paperbacks. It is not a word for any old mistake in life — not a wrong text, not a wrong turn, not a wrong sum on a napkin.

It它 is a book-world word是書籍界的用字, used in academic books and journals用在學術書籍和期刊裡 more than in ordinary paperbacks比在普通平裝書裡常見。It它 is not a word for any old mistake in life不是用來指生活裡隨便一個錯誤 — not a wrong text不是打錯的簡訊, not a wrong turn不是走錯路, not a wrong sum on a napkin也不是餐巾紙上算錯的加總。