凯利公式对交易的指导意义简介：Sun Zhixian's great sin was in his previous life. In this life, he did nothing. He was just a despicable person sitting at home, eager to come back as an official.
Sun Zhixian's great sin was in his previous life. In this life, he did nothing. He was just a despicable person sitting at home, eager to come back as an official.
