Lemon juice can help to prevent economy-class syndrome by improving blood circulation.

柠檬汁通过改善血液循环来帮助预防经济舱综合症。

《柯林斯英汉双解大词典》

The Five-Animal Exercises are well-designed to help blood circulation (循环), and let the energy go smoothly in the body so as to improve the health.

五禽戏旨在促进血液循环，让体内能量能顺畅运行，增强身体健康。

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But recent research suggests they're a brain booster as well, and not just because they help the circulation system that pumps oxygen to your head.

但是最近的研究表明，它也是脑力提升者，这不仅仅在于它帮助循环系统向大脑输送氧气。

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They emphasized that while this product was created to help publishers regain circulation revenue, Google Consumer Surveys was not a magic bullet.

FORBES: First Impression: A Publisher's Take On Google Consumer Surveys