灰色模型预测至少要几个统计数据简介：Liu Lei turned out of the toilet and saw Su Can lost in thought by the window, so he went over and whispered to Su Can: Boss, I heard some news. It is said that the seventh class of people in the box opposite us have come.
Liu Lei turned out of the toilet and saw Su Can lost in thought by the window, so he went over and whispered to Su Can: Boss, I heard some news. It is said that the seventh class of people in the box opposite us have come.
