How did cowhide come from? ...

You may have seen all kinds of cowhide in the streets and under the street lights-cashing in provident fund, high-paying recruitment, applying for exams, high-interest loans, and so on. You may have seen cleaners working with shovels and gasoline all the time, but you may not know how it came into being, and so did I. However, I came across its birth on the overpass just after running ... Usually it is afternoon 10 when I finish the fifth lap, because Aber, who is in charge of the playground, has started to blow his whistle. When I left CUHK Medical College sweating and crossed the overpass on Xianlie South Road, I saw two free figures, a man and a woman. Under the street lamp, their images are blurred, but what we can see is that they are all young people in their early twenties. What exposed their trail was their suspicious behavior: that woman, when I saw her, she was pretending to lean against the railing-unfortunately, she didn't really look far away, but gave me an oblique and timid look, but patted a cowhide that had just stuck on the iron railing ... Walking on the overpass, he made the action of tying his shoelaces from time to time, but he only moved his right hand and patted a cowhide on the ground every two steps. ...