尽管如此，她表示自己最大的心愿就是可以陪伴她的孙女完成高中的学业。

Regardless, Yang said that her biggest dream is to accompany her granddaughter until she finishes senior middle school.

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SAT 分数从1963年开始下降；今天，平均有30%的学生没有在四年内完成高中学业，这一数字在贫穷的城市社区达到了50%。

SAT scores began dropping in 1963; today, on average, 30% of students do not complete high school in four years, a figure that rises to 50% in poor urban neighborhoods.

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一项研究计算得出，每增加一名完成高中学业的学生，当地经济的终身效益将增加50万美元或更多。

One study has calculated that the lifetime benefit to the local economy for a single additional student who completes high school is half a million dollars or more.

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