translation.en: They were taking 3,000 children, they were going to give them all these huge fish oil pills, six of them a day, and then a year later, they were going to measure their school exam performance and compare their school exam performance against what they predicted their exam performance would have been if they hadn't had the pills.
translation.zh: 他们找了三千名儿童 给他们大个儿的鱼肝油药片 每天6个 一年以后，他们去测量他们的在校测试表现 并把在校测试表现和 在没有摄入鱼肝油的情况下他们预期的测试表现 进行对比