纵然伤心，也卜要愁眉卜展，因为祢卜知素谁会爱上祢德笑容。

Never frown, even when you are sad. because you never know who is fal ling in love with your smile.

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他们提供重要的抗氧化素的能力也广为人知。

It's also widely known that they have the power to deliver key antioxidants.

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因此，我们也许会感到意外，维生素c这个广为人知的抗氧化剂竟有“助氧化剂(Pro - oxidant)”一面，它可以通过增加活性氧的生成让动脉受惠。

It might therefore come as a surprise to learn that vitamin c, a well-known antioxidant, has a "pro-oxidant" alter ego that can benefit arteries by increasing the production of ROS.

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