The very existence of this quality gap is presumptive evidence that the slogans dominating our K-12 system and the efforts to reform it are defective and do not deserve the benefit of the doubt.

这种质量差距的存在本身就是推定证据，表明主导我们 K-12 系统的口号和改革它的努力是有缺陷的，不值得怀疑。