He wrote something on the paper, but it was unclear what.Then he smiled and announced."I have an idea now, written down on this piece of paper. I wonder if anyone else here has the same thought"Lao Ch...roached the office door, they noticed that it was still ajar. Inside, Du Yasheng was lying on the couch in the office, completely unselfconsciously, with his eyes closed.Out of politeness, the two sti...