27. The language dialogue system as recited in claim 17 , wherein each of the records further comprises a keyword and a corresponding public preference record data or a corresponding public dislike record data.
27. The language dialogue system as recited in claim 17 , wherein each of the records further comprises a keyword and a corresponding public preference record data or a corresponding public dislike record data. 28. The language dialogue system as recited in claim 27 , wherein the step of selecting the one of the at least one first report answer from the candidate list according to the user's preference data stored in the properties database comprises: searching one of the records corresponding to the first keyword according to the keyword of the records stored in the properties database; selecting the one of the at least one first report answer according to the public preference record data included in the corresponding record, the public dislike record data included in the corresponding record, or a combination of the public preference record data and the public dislike record data included in the corresponding record.