Yes , according to Donald Belsito , a professor of dermatology at ColumbiaUniversity Medical Center , those clean-looking clothes aren 't so clean after all .
哥伦比亚大学医学中心皮肤科教授唐纳德•贝尔西托的答案是,要洗,因为那些看起来干净的衣服实际上并不干净。