日前，不少媒体报道了环卫人员在天安门广场清除口香糖的艰难场面。为了解除环卫人员的工作辛苦，我想能否设计制作一个“口香糖清除器”。我设想它是类似电动剃须刀和吸尘器这一类的东西，不过还要加上一个存储液体的装置，用来装水或清洗液。这样，环卫人员清除口香糖的七道 A few days ago, many media reported the difficult scene of sanitation personnel clearing chewing gum at Tiananmen Square. In order to relieve the hard work of sanitation workers, I would like to design a “chewing gum remover.” I envision it as something like an electric shaver and a vacuum cleaner, but with a device for storing liquids to hold water or cleaning fluid. In this way, the sanitation staff cleared seven chewing gums