需求確認
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                       程式調整  
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                                                                                                                                 
                     This is defined on                                                                                          
                     several                                                                            lines