You may often come across on-screen text that you’d like to grab, quote, or otherwise reuse in a document, and it’s annoying if that isn’t possible (the text is contained within an image, for instance ...
有時候上網查資訊時,頁面中想要的內容不一定是文字格式,而是圖片,因此就無法直接複製,中文還好解決,但外文的話就比較麻煩,另外還有閱讀 PDF 文件、電子書、漫畫又更常發生。