translation.en: Well, if you only focus on your brightest students, you know what happens is disparities grow, and you can see this bubble moving slightly to the other direction, but still, an impressive improvement.
translation.zh: 如果你只是专注于最出色的学生， 差距就会产生， 这个泡泡稍微往右偏移， 但还是有令人印象深刻的改进。