Abstract: A machine translation method includes obtaining pre-translation text information generated by converting first speech data indicating an input speech sound uttered in a first language into text information, determining whether the pre-translation text information obtained in the obtaining includes first particular text information stored in a storage, and outputting, if it is determined in the determining that the pre-translation text information includes the first particular text information, at least either second particular text information or second speech data regarding the second particular text information associated with the first particular text information in the storage.

Abstract: A document storing and managing system for storing plural electronic documents in each of folders according to classifications and managing the stored electronic documents in a unit of the folder has a folder managing means for managing attributes of the electronic documents included in each of the folders, a document version managing means for managing information as to version of the electronic documents included in each of the folder, and a folder version managing means for managing a correspondence relation between a version of the folder and a version of each of the electronic documents included in the folder. The document storing and managing system of this invention may set and manage a version of a folder while keeping adjustability with a version of each document.