而医生作出这一反应是出自社会责任心，也是自身的权威及尊严受到挑战的结果。

While the doctor responded as a result of social responsibility and the challenge to his authority and dignity.

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我们在公共卫生受到挑战的时刻相会，目前充满了不确定因素，面临真实而不可测的风险。

We are meeting at a challenging time for public health, full of uncertainties and real but unpredictable risks.

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然而，除掉一些在任何情况都受到挑战的例外情况之外，这一最新理论结果证明“传染性疾病依然是预测国家平均IQ最有力的因素”。

However, with the exception of this last theory-which has in any case been challenged-it turns out that "infectious disease remains the most powerful predictor of average national IQ."

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When you think about your career, like a moment where you were particularly proud, or a moment where you were particularly challenged by something, and realized that makes me think in a wholly different way.

您在回顾您的工作时，比如说某一时刻您十分自豪，或者说您的观点受到了挑战,让您用一种,全新的角度来思考。

普林斯顿公开课 - 人性课程节选

And it's that picture of the universe, Kaufman wants to argue, that is challenged by the monotheistic revolution. Again he sees this as a revolution of ancient Israel.

考夫曼提出，正是这个宇宙的大致框架，受到了来自一神论革命的挑战，在考夫曼看来,这是古以色列的一次革命。

耶鲁公开课 - 旧约导论课程节选

Also, shows you something about the challenge of it, because we are susceptible to attack from lots of different kinds of microorganisms.

同样也向你们展示这其中的一些挑战,因为我们也容易受到,各类微生物感染的危害

耶鲁公开课 - 生物医学工程探索课程节选