To prevent ultraviolet rays from causing sun blemishes to appear on people's faces and to guard against premature aging, protecting oneself from the effects of sunlight has become an important task for modern people. But while various forms of sunscreen beauty products are guaranteed hot sellers during the summer, people often neglect the importance of sunlight's energy to human beings.
為了防止紫外線在臉上曬出黑斑、導致皮膚老化，「防曬」成了現代人重要的課題，各種防曬美容保養品每逢夏季必熱賣。人們卻往往因此忽略了陽光的能量對人的重要性。