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专家们警告说,不少年轻人正冒着损伤视力的危险购买和佩戴时尚太阳镜。事实上,这种产品只能在极小的程度上
Experts warn that many young people are buying and wearing stylish sunglasses at the risk of damaging their eyesight. In fact, this product is only to a very small extent