当你走在大街上，可以看见到处乱贴的广告，这一现象被市民厌恶地称作“城市牛皮癣”。要是有一种涂料，无论刷在什么材质上，凡是贴上去的广告，都会自动掉下来，那该多好！责任编辑程哲编辑心语：同学们暑假后就要升入初三了，要准备中考了。中考复习，离不了做题。做题的效? When you walk down the street, you can see advertisements scattered everywhere. This phenomenon is called “City Psoriasis” by the public in disgust. If there is a kind of paint, no matter what material is on the brush, any ad posted on it will fall off automatically. Editor of the responsibility editor Cheng Zhe: Chinese students will be admitted to the third grade after the summer vacation. They must prepare for the exam. In the examination, it is impossible to do a question. Do the effects of the problem?