translation.en: All that changed was the acoustics of the classroom If education can be likened to watering a garden, which is a fair metaphor, sadly, much of the water is evaporating before it reaches the flowers, especially for some groups, for example, those with hearing impairment.
translation.zh: 变化的只是 教室的传声效果。 如把教育比喻为在花园浇水， 这是合理的比喻。遗憾地是， 大部分水在未落在花朵前已蒸发。 特别对某些组别来说， 例如： 听力受损的人