发贴：猜火车   

Banking 场景 （很重要）
     1 Account :
             current account;deposit account;student account 
            chequecard&chequebook

    2 service:
             interest rate ( 利息）
             Exchange rate
             debate （不长考）
             Full refund (全额退款）
    
     3 Bank book/pass
           signature card(借记卡）+cash card
           overdraft:
                        permission of bank/interest rate 
                        fine        installment
                 personal loan  student loan