【TED演讲】教师需要真实的反馈（6/6)
Until recently, many teachers only got one word of feedback a year: “satisfactory.” And with no feedback, no coaching, there’s just no way to improve. Bill Gates suggests that even great teachers can get better with smart feedback -- and lays out a program from his foundation to bring it to every classroom.Hints:
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http://t1.g.hjfile.cn/listen/201309/201309280425383122456.mp3Building this system will also require a considerable investment. Our foundation estimates that it could cost up to five billion dollars. Now that's a big number, but to put it in perspective, it's less than two percent of what we spend every year on teacher salaries. The impact for teachers would be phenomenal. We would finally have a way to give them feedback, as well as the means to act on it. But this system would have an even more important benefit for our country. It would put us on a path to making sure all our students get a great education, find a career that's fulfilling and rewarding, and have a chance to live out their dreams. This wouldn't just make us a more successful country. It would also make us a more fair and just one, too. I'm excited about the opportunity to give all our teachers the support they want and deserve. I hope you are too.建立这个系统同样地，也需要大笔的投资。我们的基金会预算它将耗资50亿美元。这是一大笔款项，但是换个角度看，这还不到我们每年给教师工资的2%。这对教师的影响将是不可估量的。我们终将有面向教师的有效反馈方式，同样也会有相应的措施。但是，这个系统对我们国家的影响将会更远大。它将确保我们的学生得到最好的教育，找到能实现自身抱负且报酬丰厚的事业，有机会实现自己的梦想。这不仅使我们成为一个更成功的国家。也将使我们成为一个更公平更公正的国家。我很高兴能有机会提供给我们教师他们想要也是应得的支持。我希望你们也是这样。
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