刷水套利走流水技巧

简介：In the classroom, Liu Jian took the mid-term geography paper and talked about the topic eloquently. His spittle flew along with the chalk dust falling on the blackboard. The students under the podium had to cover their noses to listen to the lecture. Liu Jian didn't care, and occasionally coughed lightly. With a sound, he raised his hand and rolled up his sleeves to reveal the shining golden watch.