|  | 
         
          |  |   
          | 單字解析 |   
          |  |   
          | 
               
                | 
                     
                      |  | 1. | exchange rate  n. (外匯) 匯率 exchange  n. & vt. 兌換; 交換
 exchange A for B  把A換成B
 exchange + 物 + with + 人  和某人交換某物
 例:Could you please exchange this ten-dollar bill for two fives?
 (可不可以請你把這張十塊錢換成兩個五塊的呢?)
 Would you like to exchange gifts with me?
 (你願不願意和我交換禮物呢?)
 |  |   
                | 
                     
                      |  | 2. | currency  n. 貨幣 |  |   
                | 
                     
                      |  | 3. | rest  n. 剩餘 (部分), 其餘 |  |  |  |  |