@BCThinkTank2 @DFisman It is. That's the smaller bump 30-70
@BCThinkTank2@DFisman就是这样。这是一个较小的凹凸30-70
@BCThinkTank2 @DFisman It is. That's the smaller bump 30-70
@BCThinkTank2@DFisman就是这样。这是一个较小的凹凸30-70