8. A translation method, comprising: inputting a document; performing, on a processor, a selection from a dictionary of a translated term for a predetermined key word in the input document; outputting an output image, on a paper document, representing the translated term for the predetermined key word; scanning the paper document, on which the output image has been outputted and a mark that has been drawn by a user, to input an image of the paper document; determining a section of the input image of the paper document obtained by the scanning of the paper document as the section to be translated, the section being denoted by the mark drawn by the user on the paper document; translating the text of the determined section; outputting the translated text; dividing the text recognized into words: assigning a unique ID to the document; storing, in a memory, the unique ID, the words and the translated terms for the words; recognizing the unique ID from the inputted output image; and reading from the memory, the words and the translated terms for the words corresponding to the recognized unique ID.
9. The translation method according to claim 8 , further comprising: forming the output image on the paper document; and detecting a section of a text being marked up in a prescribed manner on the paper document, to determine the section to be translated.