conditional variance的用法和樣例：
例句
- Finally, the realistic meaning of persistence character of conditional variances in finance analysis is discussed.
最後討論了條件方差持續性質在金融分析中的現實意義。 - The outside impact has persistent effect to the conditional variance, and the negative impact would bring higher conditional variance than the equivalent positive one.
場外衝擊對條件方差的影響具有持久性，反向衝擊比等量的正向衝擊會導致更高的下一期的條件方差。
