risk dispersion的用法和樣例：
例句
- As the fund manager pools the funds from many investors,he can invest in a diversified portfolio that offers lower risk.
負責管理基金的專業經理會集合許多投資者的資金，組成一個風險分散的投資組合。 - No wonder Mr Crist likes the idea of a national catastrophe fund, which would spread the risk across the country.
難怪克里斯特先生對國家災難基金這么有興趣，它可是能將風險分散到全國啊。
