positive effects的用法和樣例：
例句
- However, the present studies explored its positive effects from a view of the compensatory effects of rice to water stress.
現從正面效應的角度探討水稻對干旱脅迫的補償性響應。 - But they do not bring happiness, because their positive effects end when the fun ends.
，這一切并不能帶來(lái)幸福，娛樂(lè )一結束，的正面效應亦隨之終結。
