passbook savings的用法和樣例：
例句
- With a regular passbook savings account, you would be able to withdraw money whenever you needed it.
有了定期存摺儲蓄賬戶，無論你何時需要都能夠取款。 - However,the costs of processing demand deposit transaction are increasing,and the effective overall cost of demand deposits is closing to the cost of passbook saving.
然而，處理活期存款的交易成本在不斷上升，因此活期存款實際總成本已接近存摺儲蓄的成本。
