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1.The study found that this factor plays a crucial role in the process of tissue regeneration.
研究发现，这个因子在组织再生过程中起着至关重要的作用。
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2. The researchers believe that this factor may be responsible for the increased risk of cancer in smokers.
研究人员认为，这个因子可能是吸烟者患癌症风险增加的原因。
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3. The anti-aging factor has been shown to improve skin elasticity and reduce wrinkles.
抗衰老因子已被证明可以改善皮肤弹性，减少皱纹。