医生建议他每周游泳三次，这对他的关节炎有治疗效果。

The doctor recommended swimming three times a week as it works ___therapeutically for his arthritis.

园艺活动被证明可以治疗性地改善抑郁症患者的情绪状态。

Gardening has been shown to work ___therapeutically to improve mood in people with depression.