return distribution的用法和樣例：
例句
- Case study on transaction performance analyses the characters of abnormal return distribution of M &A companies and target companies.
通過交易績效案例研究，分析了併購公司及目標公司超額收益分佈的特徵。 - This paper develops a trinomial option pricing model that incorporates the first four moments of the stock return distribution.
提出了一個將股票收益分佈的頭四個動差結合起來的三項式期權定價模型。
