Widely recognized as one of the most successful women in town, Ms Cheung has dedicated most of her time to community service.

张玛莉女士积极参与社会服务， 公认为成功女性的典范。

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Ms Cheung said more research is needed to determine the mechanisms of action involved in the relationship between light exposure, hunger and metabolism.

张女士表示，光线照射对人体饥饿和新陈代谢关系的原理仍然需要进一步的研究证明。

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Ms Cheung said more research is needed to determine the mechanisms of action involved in the relationship between light exposure, hunger and metabolism.

该研究之所以意义重大，是因为其结果表明，控制人体周围环境的光线照射或许是一种可左右饮食摄入方式和新陈代谢的新方法。

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