closed fund的用法和樣例：
例句
- Unlike open-end mutual funds, closed end funds do not stand ready to issue and redeem shares on a continuous basis.
與開放式基金不同的是，封閉式基金不持續地創造和贖回基金單位。 - The closed-end fund puzzle includes four stylized facts about the performance of closed-end fund.
當封閉式基金的份額資產凈值小於其市場價格時，稱之為溢價現象，反之則稱之為折價現象。
