Mr Obama likes to duck the thorniest disputes, for example by leaving it to the National Institutes of Health to decide what kind of embryos can be used in federally-funded experiments.
奥巴马喜欢闪避最棘手的争论问题，比如说，他把哪种胚胎能够用于联邦资助的试验扔给国家卫生研究所，让他们来决定何去何从。
Webb pointed to new experiments with technologies that study customer behavior to identify what kind of ads will be most effective.
韦伯指出，新的技术实验通过研究消费者行为，能够确定哪种广告是最为有效的。
Webb pointed to new experiments with technologies that study customer behavior to identify what kind of ads will be most effective.
韦伯指出，新型的依托技术手段研究客户行为，以确定投放何种广告最为有效。
You try a bunch of different hypotheses, and if you set up the experiments well, then you kind of learn what to do... we invest in this huge testing framework.
你尝试了一堆不同的假设，如果你很好地设置实验，那么你就可以学会点什么。我们斥巨资打造了这个庞大的测试框架。
You try a bunch of different hypotheses, and if you set up the experiments well, then you kind of learn what to do... we invest in this huge testing framework.
你尝试了一堆不同的假设，如果你很好地设置实验，那么你就可以学会点什么。我们斥巨资打造了这个庞大的测试框架。
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