领导这项新调查的来自密歇根州立大学的施密特说：“在美国的数学和科学教育实践中，没有一种理智而统一的观念。”
Schmidt of Michigan State University, who led the new analysis, said, "no single intellectually coherent vision dominates U.S. educational practice in math or science."
关联关系比因果关系重要，科学甚至能在没有一致模型、统一理论，甚至完全不需要任何解释的情况下进步。
Correlation supersedes causation, and science can advance even without coherent models, unified theories, or really any mechanistic explanation at all.
对于这些问题，科学界还没有统一的认识。 消费者必须自己做出决定。
There is yet no scientific consensus, and for now, consumers must decide for themselves.
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