阶梯倍投方法简介：We are not old enough and we are not sophisticated enough, so don’t ask. The main thing is to grasp the study tasks. Su Can sighed, then showed a bright smile and said: You guys should study hard and deal with this week's weekly exam first.
We are not old enough and we are not sophisticated enough, so don’t ask. The main thing is to grasp the study tasks. Su Can sighed, then showed a bright smile and said: You guys should study hard and deal with this week's weekly exam first.
