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理查德·施斯基说，“可能在预测复发高风险方面，它和我们预期的并不一致”。他是芝加哥大学的一位教授，任肿瘤协会会长。

"Perhaps it is not as good as we might like in predicting who is at very high risk," said Dr. Richard L. Schilsky, a professor at the University of Chicago who is President of the oncology society.

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但是奥巴马任然冒了风险，那是他强有力的言辞在他身上失去了它的力量和（自食其果）。

But Obama still runs a risk: that his overworked rhetoric loses its power and boomerangs on him.

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