改善的饮食对他的情绪有积极影响。

The improved diet had a ___positive effect on his mood.

所有颜色和新鲜干花的味道对我有如此积极的影响，以至于生活感觉很好。

All the colors and the smell of fresh and dried flowers have such a ___positive effect on me that life feels great.

定期锻炼对健康有积极影响。

Regular exercise has a ___positive effect on health.