柯林斯詞典mutual fund (mutual funds) 1. N-COUNT Mutual fund means the same as . 單位信托投資公司[美國(guó)英語(yǔ)] [商業(yè)] 返回 mutual fund劍橋詞典a service where financial experts invest the money of many people in many different companies 共同基金，互惠基金 返回 mutual fund