位于华盛顿特区的智库“美国企业研究所”的罗杰-贝特（Roger Bate）告诫说，这些估计应该小心对待。

Roger Bate of the American Enterprise Institute, a think-tank in Washington, DC, cautions that any such estimates should be treated with care.

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到达流亭机场之后，刘士豪同学帮助樊华杰同学向机场服务人员借到了轮椅，梁智燕等同学也帮助她搬行李办手续。

After we arrived at the airport, Fred asked the service stuff for a wheelchair for Catherine and Jenny, Yuki helped her carry baggage, conduct flight procedures as well.

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没有一种东西能象赞扬一样磨砺机敏的智力，鼓励求智的愿望(罗杰·阿斯克姆)。

There is no such whetstone, to sharpen a good wit and encourage a will to learning, As is praise Roger Ascham.

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